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Journal articles on the topic '3D printing on-demand'

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Author: Grafiati
Published: 10 December 2022
Last updated: 28 January 2023

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1

Liu, Ling, and Yi Yang. "Exploration on Creative Product Customization Design Based on 3D Printing Technology Research." Applied Mechanics and Materials 709 (December 2014): 509–12. http://dx.doi.org/10.4028/www.scientific.net/amm.709.509.

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This thesis, based on 3D printing technology, explores the customization design methods of creative product, expounds the significance and importance of product customization design from the perspective of demand in the market and energy saving, discusses the advantage for combination of product customization design and 3D printing technology, aiming to advocate meeting the market demand and also saving energy through product customization design by using 3D printing technology.
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2

V. Mironov, Anton, Aleksandra O. Mariyanac, Olga A. Mironova, and Vladimir K. Popov. "Laboratory 3D printing system." International Journal of Engineering & Technology 7, no. 2.23 (April 20, 2018): 68. http://dx.doi.org/10.14419/ijet.v7i2.23.11886.

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Present work describes the results of the development of the universal system, which capable to utilize varies 3D printing methodologies. The main goal of the study is to provide cheap, versatile and easy expandable equipment for multiple purpose research in the field of material science. 3D printing system was experimentally validated for fused deposition modeling, hydrogel, liquid dispensing and drop-on-demand printing, as well as 3D photopolymerisation by UV laser and/or LED light using different types of materials.
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Evins, Alexander I., John Dutton, Sayem S. Imam, Amal O. Dadi, Tao Xu, Du Cheng, Philip E. Stieg, and Antonio Bernardo. "On-Demand Intraoperative 3-Dimensional Printing of Custom Cranioplastic Prostheses." Operative Neurosurgery 15, no. 3 (January 13, 2018): 341–49. http://dx.doi.org/10.1093/ons/opx280.

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Abstract BACKGROUND Currently, implantation of patient-specific cranial prostheses requires reoperation after a period for design and formulation by a third-party manufacturer. Recently, 3-dimensional (3D) printing via fused deposition modeling has demonstrated increased ease of use, rapid production time, and significantly reduced costs, enabling expanded potential for surgical application. Three-dimensional printing may allow neurosurgeons to remove bone, perform a rapid intraoperative scan of the opening, and 3D print custom cranioplastic prostheses during the remainder of the procedure. OBJECTIVE To evaluate the feasibility of using a commercially available 3D printer to develop and produce on-demand intraoperative patient-specific cranioplastic prostheses in real time and assess the associated costs, fabrication time, and technical difficulty. METHODS Five different craniectomies were each fashioned on 3 cadaveric specimens (6 sides) to sample regions with varying topography, size, thickness, curvature, and complexity. Computed tomography-based cranioplastic implants were designed, formulated, and implanted. Accuracy of development and fabrication, as well as implantation ability and fit, integration with exiting fixation devices, and incorporation of integrated seamless fixation plates were qualitatively evaluated. RESULTS All cranioprostheses were successfully designed and printed. Average time for design, from importation of scan data to initiation of printing, was 14.6 min and average print time for all cranioprostheses was 108.6 min. CONCLUSION On-demand 3D printing of cranial prostheses is a simple, feasible, inexpensive, and rapid solution that may help improve cosmetic outcomes; significantly reduce production time and cost—expanding availability; eliminate the need for reoperation in select cases, reducing morbidity; and has the potential to decrease perioperative complications including infection and resorption.
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Lepowsky, Eric, and Savas Tasoglu. "3D Printing for Drug Manufacturing: A Perspective on the Future of Pharmaceuticals." International Journal of Bioprinting 4, no. 1 (September 25, 2017): 119. http://dx.doi.org/10.18063/ijb.v1i1.119.

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Since a three-dimensional (3D) printed drug was first approved by the Food and Drug Administration in 2015, there has been a growing interest in 3D printing for drug manufacturing. There are multiple 3D printing methods – including selective laser sintering, binder deposition, stereolithography, inkjet printing, extrusion-based printing, and fused deposition modeling – which are compatible with printing drug products, in addition to both polymer filaments and hydrogels as materials for drug carriers. We see the adaptability of 3D printing as a revolutionary force in the pharmaceutical industry. Release characteristics of drugs may be controlled by complex 3D printed geometries and architectures. Precise and unique doses can be engineered and fabricated via 3D printing according to individual prescriptions. On-demand printing of drug products can be implemented for drugs with limited shelf life or for patient-specific medications, offering an alternative to traditional compounding pharmacies. For these reasons, 3D printing for drug manufacturing is the future of pharmaceuticals, making personalized medicine possible while also transforming pharmacies.
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Ben-Barak, Ido, Yosef Kamir, Svetlana Menkin, Meital Goor, Inna Shekhtman, Tania Ripenbein, Ehud Galun, Diana Golodnitsky, and Emanuel Peled. "Drop-on-Demand 3D Printing of Lithium Iron Phosphate Cathodes." Journal of The Electrochemical Society 166, no. 3 (November 14, 2018): A5059—A5064. http://dx.doi.org/10.1149/2.0091903jes.

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6

Ali, Shahid, Deepak Kumar Chaurasia, and Dr Tarkeshwar P. Shukla. "A Review: 3D Printing." International Journal for Research in Applied Science and Engineering Technology 10, no. 12 (December 31, 2022): 1939–41. http://dx.doi.org/10.22214/ijraset.2022.48301.

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Abstract: 3D printing or additive manufacturing is a method of creating three dimensional solid matters from a digital file. The design of a 3D printed object is accomplish using additive processes it is also called as RAPID PROTOTYPING. In an additive process an object is manufactured by dozing consecution layers of material as far as the entire object is created.3D concept has the capabilities to furnish benefits for patients, pharmacists and the pharmaceutical industry alike by empower the on-demand design and production of various formulations with individualized dosages, shapes, sizes, drug release and multi-drug combinations. This article criticizing the major benefits for using 3D printing in pharmaceuticals, highlighting the crucial role that healthcare staff play, and will continue to play, in the future implementation of 3D printing into the pharmaceutical sector.
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7

Mao, Huachao, Wenxuan Jia, Yuen-Shan Leung, Jie Jin, and Yong Chen. "Multi-material stereolithography using curing-on-demand printheads." Rapid Prototyping Journal 27, no. 5 (June 2, 2021): 861–71. http://dx.doi.org/10.1108/rpj-05-2020-0104.

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Purpose This paper aims to present a multi-material additive manufacturing (AM) process with a newly developed curing-on-demand method to fabricate a three-dimensional (3D) object with multiple material compositions. Design/methodology/approach Unlike the deposition-on-demand printing method, the proposed curing-on-demand printheads use a digital light processing (DLP) projector to selectively cure a thin layer of liquid photocurable resin and then clean the residual uncured material effectively using a vacuuming and post-curing device. Each printhead can individually fabricate one type of material using digitally controlled mask image patterns. The proposed AM process can accurately deposit multiple materials in each layer by combining multiple curing-on-demand printheads together. Consequently, a three-dimensional object can be fabricated layer-by-layer using the developed curing-on-demand printing method. Findings Effective cleaning of uncured resin is realized with reduced coated resin whose height is in the sub-millimeter level and improved vacuum cleaning performance with the uncleaned resin less than 10 µm thick. Also, fast material swapping is achieved using the compact design of multiple printheads. Originality/value The proposed multi-material stereolithography (SL) process enables 3D printing components using more viscous materials and can achieve desired manufacturing characteristics, including high feature resolution, fast fabrication speed and low machine cost.
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8

Zhao, Zheng, Jodi McGill, Pamela Gamero-Kubota, and Mei He. "Microfluidic on-demand engineering of exosomes towards cancer immunotherapy." Lab on a Chip 19, no. 10 (2019): 1877–86. http://dx.doi.org/10.1039/c8lc01279b.

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3D printing-based facile microfabrication of a microfluidic culture chip integrates harvesting, antigenic modification, and photo-release of surface engineered exosomes in one workflow, which enables rapid and real-time production of therapeutic exosomes for advancing cancer immunotherapy.
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9

Chaudhuri, Atanu, Hussein Naseraldin, Peder Veng Søberg, Ehud Kroll, and Michael Librus. "Should hospitals invest in customised on-demand 3D printing for surgeries?" International Journal of Operations & Production Management 41, no. 1 (November 16, 2020): 55–62. http://dx.doi.org/10.1108/ijopm-05-2020-0277.

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PurposeThe purpose of this research is to (1) analyse the effect of customised on-demand 3DP on surgical flow time, its variability and clinical outcomes (2) provide a framework for hospitals to decide whether to invest in 3DP or to outsource.Design/methodology/approachThe research design included interviews, workshops and field visits. Design science approach was used to analyse the impact of the 3D printing (3DP) interventions on specific outcomes and to develop frameworks for hospitals to invest in 3DP, which were validated through further interviews with stakeholders.FindingsEvidence from this research shows that deploying customised on-demand 3DP can reduce surgical flow time and its variability while improving clinical outcomes. Such outcomes are obtained due to rapid development of the anatomical model and surgical guides along with precise cutting during surgery.Research limitations/implicationsWe outline multiple opportunities for research on supply chain design and performance assessment for surgical 3DP. Further empirical research is needed to validate the results.Practical implicationsThe decision to implement 3DP in hospitals or to engage service providers will require careful analysis of complexity, demand, lead-time criticality and a hospital's own objectives. Hospitals can follow different paths in adopting 3DP for surgeries depending on their context.Originality/valueThe operations and supply chain management community has researched on-demand distributed manufacturing for multiple industries. To the best of our knowledge, this is the first paper on customised on-demand 3DP for surgeries.
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10

Cooperstein, Ido, S. R. K. Chaitanya Indukuri, Alisa Bouketov, Uriel Levy, and Shlomo Magdassi. "3D Printing: 3D Printing of Micrometer‐Sized Transparent Ceramics with On‐Demand Optical‐Gain Properties (Adv. Mater. 28/2020)." Advanced Materials 32, no. 28 (July 2020): 2070212. http://dx.doi.org/10.1002/adma.202070212.

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11

Mea, Hing Jii, Luis Delgadillo, and Jiandi Wan. "On-demand modulation of 3D-printed elastomers using programmable droplet inclusions." Proceedings of the National Academy of Sciences 117, no. 26 (June 15, 2020): 14790–97. http://dx.doi.org/10.1073/pnas.1917289117.

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One of the key thrusts in three-dimensional (3D) printing and direct writing is to seamlessly vary composition and functional properties in printed constructs. Most inks used for extrusion-based printing, however, are compositionally static and available approaches for dynamic tuning of ink composition remain few. Here, we present an approach to modulate extruded inks at the point of print, using droplet inclusions. Using a glass capillary microfluidic device as the printhead, we dispersed droplets in a polydimethylsiloxane (PDMS) continuous phase and subsequently 3D printed the resulting emulsion into a variety of structures. The mechanical characteristics of the 3D-printed constructs can be tuned in situ by varying the spatial distribution of droplets, including aqueous and liquid metal droplets. In particular, we report the use of poly(ethylene glycol) diacrylate (PEGDA) aqueous droplets for local PDMS chemistry alteration resulting in significant softening (85% reduced elastic modulus) of the 3D-printed constructs. Furthermore, we imparted magnetic functionality in PDMS by dispersing ferrofluid droplets and rationally designed and printed a rudimentary magnetically responsive soft robotic actuator as a functional demonstration of our droplet-based strategy. Our approach represents a continuing trend of adapting microfluidic technology and principles for developing the next generation of additive manufacturing technology.
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12

Tofan, Tim, Sergejus Borodinas, Rimantas Kačianauskas, and Raimondas Jasevičius. "Modeling 3D Droplet Movement Using a Drop-on-Demand Inkjet Printhead Model." Processes 10, no. 8 (July 27, 2022): 1467. http://dx.doi.org/10.3390/pr10081467.

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This article presents a numerical simulation of a printhead model for drop-on-demand (DoD) inkjet printers. A three-dimensional droplet model is provided for the numerical study of inks, ejection parameters, droplet movement, and the analysis of droplet impacts on the surface. This work is devoted to the analysis of different droplet ejection settings during the printing process, when the behavior of the droplet directly affects the accuracy of the printing process itself. A numerical model was also developed to investigate the effect of various settings on droplet stability, including printhead size and nozzle orifice, motion parameters (pulse strength and droplet ejection amplitude) and fluid properties. The results reflect the behavior of the ink droplet over time. The behavior of the drop was tested at different waveform ejection parameters and a mass turnover was observed.
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13

Yu, Xiaoling, Tian Zhang, and Yuan Li. "3D Printing and Bioprinting Nerve Conduits for Neural Tissue Engineering." Polymers 12, no. 8 (July 23, 2020): 1637. http://dx.doi.org/10.3390/polym12081637.

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Fabrication of nerve conduits for perfectly repairing or replacing damaged peripheral nerve is an urgent demand worldwide, but it is also a formidable clinical challenge. In the last decade, with the rapid development of manufacture technologies, 3D printing and bioprinting have been becoming remarkable stars in the field of neural engineering. In this review, we explore that the biomaterial inks (hydrogels, thermoplastic, and thermoset polyesters and composite) and bioinks have been selected for 3D printing and bioprinting of peripheral nerve conduits. This review covers 3D manufacturing technologies, including extrusion printing, inkjet printing, stereolithography, and bioprinting with inclusion of cells, bioactive molecules, and drugs. Finally, an outlook on the future directions of 3D printing and 4D printing in customizable nerve therapies is presented.
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14

SHAHZAD, Qamar, Muhammad UMAİR, and Saad WAQAR. "Bibliographic analysis on 3D printing in the building and construction industry: Printing systems, material properties, challenges, and future trends." Journal of Sustainable Construction Materials and Technologies 7, no. 3 (September 30, 2022): 198–220. http://dx.doi.org/10.47481/jscmt.1143239.

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In recent years, significant advancements in the development of large-scale 3D printers and construction materials have been made to meet the demand for industrial scale 3D printing construction. It is significant to construct the buildings and structural components by using 3D concrete printing. Additive manufacturing (AM) main benefits are freedom of design, construction waste reduction, mass customization, and ability to manufacture the complex structures. The major issues including the optimization of printing material which possess the suitable properties for 3D concrete printing. However, this technology towards the green building construction seems to improve the conventional methods by reducing the requirement of human resource, high investment cost, and formworks. The research community's interest in 3D printing for architecture and construction has grown significantly over the last few years. This paper review the latest trend of research and state of the art technologies in 3D printing in building and construction by analyzing the publications from 2002 to 2022. Based on aforementioned analysis of publications, printing methods, concrete printing systems and influence of constituent’s materials and chemical admixtures on concrete material properties are briefly discussed. Finally, this paper discussed the challenges and limitations of current systems, as well as potential future work to improve their capability and print quality.
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15

Ha, Dong-Heon, Dong-Hyeon Ko, Jin-oh Kim, Do Jin Im, Byoung Soo Kim, Soo-Young Park, Steve Park, Dong-Pyo Kim, and Dong-Woo Cho. "Indirect fabrication of versatile 3D microfluidic device by a rotating plate combined 3D printing system." RSC Advances 8, no. 66 (2018): 37693–99. http://dx.doi.org/10.1039/c8ra08465c.

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Rapid on-demand sacrificial printing techniques using suitable combinations of resin and sacrificial materials would be desirable to fabricate versatile and functional microfluidic devices with complex designs and chemical resistance.
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16

Chen, Zhen. "The Influence of 3D Printing on Global Container Multimodal Transport System." Complexity 2017 (2017): 1–19. http://dx.doi.org/10.1155/2017/7849670.

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Container multimodal transport system was an important promoter of postwar globalization. But in the future, part of global manufacturing may change from centralized to distributed due to 3D printing. To evaluate its impact, this research established a system dynamics model of sneakers supply chain firstly. The modeling showed that the total demand of international transport would decline after the application of 3D printing. For consumer country, the return of manufacturing would increase its container business. And that of producer country would reduce correspondingly. But for resource country, its resource exports would decline, while its container business may grow for the local processing of printing filaments. Secondly, the evaluations based on the data of Guangzhou port suggest that the 3D printing of sneakers was not enough to subvert the existing system. It would be broken only after the 3D printing of electrical products. By then, more manufacturing activities would transfer to the end of supply chain. On the other hand, producer country may actively respond to maintain its advantage in incumbent industrial pattern, such as Belt and Road initiative proposed by China. Deglobalization, caused by 3D printing, and globalization strengthening, caused by trade cooperation, will affect this system simultaneously.
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17

Kiel, Annika, Bernhard Peter Kaltschmidt, Ehsan Asghari, Andreas Hütten, Barbara Kaltschmidt, and Christian Kaltschmidt. "Bacterial Biofilm Formation on Nano-Copper Added PLA Suited for 3D Printed Face Masks." Microorganisms 10, no. 2 (February 14, 2022): 439. http://dx.doi.org/10.3390/microorganisms10020439.

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The COVID-19 Pandemic leads to an increased worldwide demand for personal protection equipment in the medical field, such as face masks. New approaches to satisfy this demand have been developed, and one example is the use of 3D printing face masks. The reusable 3D printed mask may also have a positive effect on the environment due to decreased littering. However, the microbial load on the 3D printed objects is often disregarded. Here we analyze the biofilm formation of Pseudomonas aeruginosa, Staphylococcus aureus, and Escherichia coli on suspected antimicrobial Plactive™ PLA 3D printing filaments and non-antimicrobial Giantarm™ PLA. To characterize the biofilm-forming potential scanning electron microscopy (SEM), Confocal scanning electron microscopy (CLSM) and colony-forming unit assays (CFU) were performed. Attached cells could be observed on all tested 3D printing materials. Gram-negative strains P. aeruginosa and E. coli reveal a strong uniform growth independent of the tested 3D filament (for P. aeruginosa even with stressed induced growth reaction by Plactive™). Only Gram-positive S. aureus shows strong growth reduction on Plactive™. These results suggest that the postulated antimicrobial Plactive™ PLA does not affect Gram-negative bacteria species. These results indicate that reusable masks, while better for our environment, may pose another health risk.
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Nayak, Radharani, M. V. A. Raju Bahubalendruni, Bibhuti Bhusan Biswal, and Praniket Prakash Chauhan. "An Approach towards Economized 3D Printing." Applied Mechanics and Materials 852 (September 2016): 185–91. http://dx.doi.org/10.4028/www.scientific.net/amm.852.185.

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The growing demand for advanced manufacturing processes calls for reduction in manufacturing cost and manufacturing time. Fused Deposition Modelling (FDM) is one of the rapidly developing rapid Prototyping (RP) process. In this work an effort has made to make FDM process cost effective by replacing solid model with shelled model in-filled with user-defined parametric cellular structures. This approach helps in keeping a balance between material usages, build time and mechanical properties. The proposed method is implemented on a few specimens and results signify that 20-30% expensive build material as well as build time can be saved by this approach. The whole algorithm is based on .STL format, and is coded in MATLAB providing a versatile and widely acceptable platform.
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19

Muthukrishnan, Shravan, Sayanthan Ramakrishnan, and Jay Sanjayan. "Set on demand geopolymer using print head mixing for 3D concrete printing." Cement and Concrete Composites 128 (April 2022): 104451. http://dx.doi.org/10.1016/j.cemconcomp.2022.104451.

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20

Xiong, Ruitong, Zhengyi Zhang, Wenxuan Chai, Yong Huang, and Douglas B. Chrisey. "Freeform drop-on-demand laser printing of 3D alginate and cellular constructs." Biofabrication 7, no. 4 (December 22, 2015): 045011. http://dx.doi.org/10.1088/1758-5090/7/4/045011.

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21

Powell, Alexander W., Alexandros Stavrinadis, Sotirios Christodoulou, Romain Quidant, and Gerasimos Konstantatos. "On-Demand Activation of Photochromic Nanoheaters for High Color Purity 3D Printing." Nano Letters 20, no. 5 (April 27, 2020): 3485–91. http://dx.doi.org/10.1021/acs.nanolett.0c00414.

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22

Costantini, Marco, Jakub Jaroszewicz, Łukasz Kozoń, Karol Szlązak, Wojciech Święszkowski, Piotr Garstecki, Cosima Stubenrauch, Andrea Barbetta, and Jan Guzowski. "3D‐Printing of Functionally Graded Porous Materials Using On‐Demand Reconfigurable Microfluidics." Angewandte Chemie International Edition 58, no. 23 (June 3, 2019): 7620–25. http://dx.doi.org/10.1002/anie.201900530.

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Costantini, Marco, Jakub Jaroszewicz, Łukasz Kozoń, Karol Szlązak, Wojciech Święszkowski, Piotr Garstecki, Cosima Stubenrauch, Andrea Barbetta, and Jan Guzowski. "3D‐Printing of Functionally Graded Porous Materials Using On‐Demand Reconfigurable Microfluidics." Angewandte Chemie 131, no. 23 (April 29, 2019): 7702–7. http://dx.doi.org/10.1002/ange.201900530.

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24

Thajeel, Marwah M., and György L. Balázs. "3D printing for earth construction - review." Concrete Structures 23 (2022): 64–67. http://dx.doi.org/10.32970/cs.2022.1.10.

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Concrete is the second frequently used material in our planet. Being the most consumed construction material for infrastructures and buildings, the demand for concrete is very high at present and expected to have the same significance in the future. On the other hand, conventional concrete could not be considered as an environmentally friendly construction material. This comes from the perspectives of reducing natural resources, high energy consumption, and produce a huge amounts of construction waste. 3D printing construction with earth materials provide the potential solutions to reshape the construction world and answering the current demands of sustainability, energy efficiency and cost in construction. This paper presents a review of 3D printed constructions made from earth materials benefits, limitations and current applications.
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Salmi, Mika, Jan Sher Akmal, Eujin Pei, Jan Wolff, Alireza Jaribion, and Siavash H. Khajavi. "3D Printing in COVID-19: Productivity Estimation of the Most Promising Open Source Solutions in Emergency Situations." Applied Sciences 10, no. 11 (June 9, 2020): 4004. http://dx.doi.org/10.3390/app10114004.

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The COVID-19 pandemic has caused a surge of demand for medical supplies and spare parts, which has put pressure on the manufacturing sector. As a result, 3D printing communities and companies are currently operating to ease the breakdown in the medical supply chain. If no parts are available, 3D printing can potentially be used to produce time-critical parts on demand such as nasal swabs, face shields, respirators, and spares for ventilators. A structured search using online sources and feedback from key experts in the 3D printing area was applied to highlight critical issues and to suggest potential solutions. The prescribed outcomes were estimated in terms of cost and productivity at a small and large scale. This study analyzes the number and costs of parts that can be manufactured with a single machine within 24 h. It extrapolates this potential with the number of identical 3D printers in the world to estimate the global potential that can help practitioners, frontline workers, and those most vulnerable during the pandemic. It also proposes alternative 3D printing processes and materials that can be applicable. This new unregulated supply chain has also opened new questions concerning medical certification and Intellectual property rights (IPR). There is also a pressing need to develop new standards for 3D printing of medical parts for the current pandemic, and to ensure better national resilience.
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Verian, Kho P., Scott R. Kowaleski, Matthew D. Carli, Randall P. Bright, Eerik Maandi, and Gary Sill. "Properties of 3D Printing Mortar with the Development of a 3D Construction Printing (3DCP) Delivery System." Transportation Research Record: Journal of the Transportation Research Board 2674, no. 2 (February 2020): 1–9. http://dx.doi.org/10.1177/0361198120905595.

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Over the last few years, 3D construction printing (3DCP), also known as additive manufacturing (AM) or rapid prototyping (RP), has increased in popularity in the construction industry. This method, which integrates automation in the building process, provides advantages over conventional construction techniques. These advantages include reduced cost, increased time efficiency, and safer construction process. This paper provides information regarding test methods and the properties of a prototype cementitious material designed for 3DCP. The tests include the determination of fresh properties (i.e., flow, unit weight, viscosity, and set times) and mechanical properties (i.e., compressive, tensile, and shear strengths). The potential of the material is demonstrated by 3D printing a structure 100 cm (40 in.) long and 30 cm (12 in.) high. The potential application of a “cured-on-demand” technique in 3DCP is also demonstrated.
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Gopsill, James A., and Ben J. Hicks. "Investigating the effect of scale and scheduling strategies on the productivity of 3D managed print services." Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture 232, no. 10 (June 7, 2017): 1753–66. http://dx.doi.org/10.1177/0954405417708217.

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Sales of extrusion 3D printers have seen a rapid growth and the market value is expected to triple over the next decade. This rapid growth can be attributed to a step change in capability and an increase in demand for 3D printed parts within mechanical, industrial and civil engineering processes. Correspondingly, a new technical prototyping platform – commonly referred to as Fabrication Laboratories – has emerged to provide a stimulus for local education, entrepreneurship, innovation and invention through the provision of on-demand 3D printing and prototyping services. Central to the effectiveness of the on-demand 3D printing and prototyping services – hereby referred to as 3D managed print services – is their ability to handle multiple users with varying knowledge and understanding of the manufacturing processes and scaling numbers of 3D printers in order to maximise productivity of the service. It is this challenge of productivity and more specifically the scalability and scheduling of prints that is considered in this article. The effect of scale and scheduling strategies on productivity is investigated through the modelling of four scheduling strategies for 3D managed print service of varying scales by altering the number of available printers and level of user demand. The two most common approaches (first-come first-serve and on-line continuous queue) and two alternatives based on bed space optimisation (first-fit decreasing height and first-fit decreasing height with a genetic algorithm) have been considered. Through Monte-Carlo simulation and comparison of the strategies, it is shown that increasing the scale of 3D managed print service improves the peak productivity and range of user demands at which the 3D managed print service remain productive. In addition, the alternative strategies are able to double the peak productivity of 3D managed print service as well as increase the user demand range where the 3D managed print service remains productive.
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Li, Bo, Lifan Meng, Hongyu Wang, Jing Li, and Chunmei Liu. "Rapid prototyping eddy current sensors using 3D printing." Rapid Prototyping Journal 24, no. 1 (January 2, 2018): 106–13. http://dx.doi.org/10.1108/rpj-07-2016-0117.

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Purpose The purpose of this paper is to investigate the process of rapid prototyping eddy current sensors using 3D printing technology. Making full use of the advantages of 3D printing, the authors study on a new method for fabrication of an eddy current sensor. Design/methodology/approach In this paper, the authors establish a 3D model using SolidWorks. And the eddy current sensor is printed by the fused deposition modeling method. Findings Measurement results show that the 3D printing eddy current sensor has a wider linear measurement range and better linearity than the traditional manufacturing sensor. Compared to traditional eddy current sensor fabrication method, this 3D printed sensor can be fabricated at a lower cost, and the fabrication process is more convenient and faster. Practical implications This demonstrated 3D printing process can be applied to the 3D printing of sensors of more sophisticated structures that are difficult to fabricate using conventional techniques. Originality/value In this work, the process of rapid prototyping eddy current sensors using 3D printing is presented. Sensors fabricated with the 3D printing possess lots of merits than traditional manufactures. 3D printed sensors can be customized according to the configuration of the overall system, thus reducing the demand of sensor's rigid mounting interfaces. The 3D printing also reduce design costs as well as shortens the development cycle. This allows for quick translation of a design from concept to a useful device.
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Omar, Muhamad Huzaifah, Khairunisak Abdul Razak, Mohd Nadhir Ab Wahab, and Hairul Hisham Hamzah. "Recent progress of conductive 3D-printed electrodes based upon polymers/carbon nanomaterials using a fused deposition modelling (FDM) method as emerging electrochemical sensing devices." RSC Advances 11, no. 27 (2021): 16557–71. http://dx.doi.org/10.1039/d1ra01987b.

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This minireview discusses the current on-demand applications of the conductive 3D-printed electrodes based upon polymer/carbon nanomaterial filaments, printed using the FDM 3D printing method, in developing electrochemical sensors and biosensors.
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Gss, Rishab, Sivakumar Rajagopal, Suya Prem Anand, Vinothkumar Paramasivam, and Satyaprakash Ahirwar. "3D Printed Medical Accessories Using FDM Process for COVID-19 Virus." ECS Transactions 107, no. 1 (April 24, 2022): 17535–44. http://dx.doi.org/10.1149/10701.17535ecst.

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The sudden spike in the Covid-19 pandemic cases around the world caused an urgent demand for Personal Protective Equipment (PPE), such as N95 face mask, face shield, ventilator valve, and non-contact door hook. The current situation requires a huge cost involvement and hard to solve the huge demand in a short period by using the traditional fabrication process. Therefore, the three-dimensional (3D) printing technology emerged as a suitable alternative to produce cost-effective production methods for these components. The present research work focuses on the design, types of filament material, and 3D printing process to print the required PPE kits, which facilitates to reduce the economic cost, environmentally hazardous, and failure of the product (reusable). Overall the initial investment needed for the 3D printing technology to print the polymer medical accessories is reduced and the material can be reused after appropriate treatment.
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Krapež Tomec, Daša, and Mirko Kariž. "Use of Wood in Additive Manufacturing: Review and Future Prospects." Polymers 14, no. 6 (March 15, 2022): 1174. http://dx.doi.org/10.3390/polym14061174.

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Polymers filled with natural-based fillers have shown growing demand/interest in recent years, including in additive manufacturing. Like most natural fillers in 3D printing, wood particles serve mainly as a filler that lowers the cost of the printing material due to their low price. However, could wood be used as a main ingredient to affect/improve the properties of 3D-printed parts? Several advantages, such as its reinforcing ability, biodegradability, availability as waste material from other industries, ability to be used in different forms or only in partial components, recycling options or even the use of its undesirable hydromorph-induced dimensional instability for 4D printing, indicate the importance of exploring its use in 3D printing. A review of publications on 3D printing with wood biomass and technologies involving the use of wood particles and components was conducted to identify the possibilities of using wood in additive technologies and their potential.
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Teng, Xiuxiu, Chunli Li, Arun S. Mujumdar, and Min Zhang. "Progress in Extrusion-Based Food Printing Technology for Enhanced Printability and Printing Efficiency of Typical Personalized Foods: A Review." Foods 11, no. 24 (December 19, 2022): 4111. http://dx.doi.org/10.3390/foods11244111.

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Three-dimensional printing technology enables the personalization and on-demand production of edible products of individual specifications. Four-dimensional printing technology expands the application scope of 3D printing technology, which controllably changes the quality attributes of 3D printing products over time. The concept of 5D/6D printing technology is also gradually developing in the food field. However, the functional value of food printing technology remains largely unrealized on a commercial scale due to limitations of printability and printing efficiency. This review focuses on recent developments in breaking through these barriers. The key factors and improvement methods ranging from ink properties and printer design required for successful printing of personalized foods (including easy-to-swallow foods, specially shaped foods, and foods with controlled release of functional ingredients) are identified and discussed. Novel evaluation methods for printability and printing precision are outlined. Furthermore, the design of printing equipment to increase printing efficiency is discussed along with some suggestions for cost-effective commercial printing.
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Ameeduzzafar, Nabil K. Alruwaili, Md Rizwanullah, Syed Nasir Abbas Bukhari, Mohd Amir, Muhammad Masood Ahmed, and Mohammad Fazil. "3D Printing Technology in Design of Pharmaceutical Products." Current Pharmaceutical Design 24, no. 42 (March 20, 2019): 5009–18. http://dx.doi.org/10.2174/1381612825666190116104620.

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Background: Three-dimensional printing (3DP) is a novel technology for fabrication of personalized medicine. As of late, FDA affirmed 3D printed tranquilize item in August 2015, which is characteristic of another section of Pharmaceutical assembling. 3DP incorporates a wide range of assembling procedures, which are altogether founded on computer-aided design (CAD), and controlled deposition of materials (layer-by-layer) to make freestyle geometries. Conventionally, many pharmaceutical processes like compressed tablet have been used from many years for the development of tablet with established regulatory pathways. But this simple process is outdated in terms of process competence and manufacturing flexibility (design space). 3DP is a new technology for the creation of plan, proving to be superior for complex products, customized items and items made on-request. It creates new opportunities for improving efficacy, safety, and convenience of medicines. Method: There are many of the 3D printing technology used for the development of personalized medicine on demand for better treatment like 3D powder direct printing technology, fused-filament 3D printing, 3D extrusion printer, piezoelectric inkjet printer, fused deposition 3D printing, 3D printer, ink-jet printer, micro-drop inkjet 3DP, thermal inkjet printer, multi-nozzle 3D printer, stereolithographic 3D printer. Result: This review highlights features how item and process comprehension can encourage the improvement of a control technique for various 3D printing strategies. Conclusion: It is concluded that the 3D printing technology is a novel potential for manufacturing of personalized dose medicines, due to better patient compliance which can be prepared when needed.
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Afsana, Vineet Jain, Nafis Haider, and Keerti Jain. "3D Printing in Personalized Drug Delivery." Current Pharmaceutical Design 24, no. 42 (March 20, 2019): 5062–71. http://dx.doi.org/10.2174/1381612825666190215122208.

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Background: Personalized medicines are becoming more popular as they enable the use of patient’s genomics and hence help in better drug design with fewer side effects. In fact, several doses can be combined into one dosage form which suits the patient’s demography. 3 Dimensional (3D) printing technology for personalized medicine is a modern day treatment method based on genomics of patient. Methods: 3D printing technology uses digitally controlled devices for formulating API and excipients in a layer by layer pattern for developing a suitable personalized drug delivery system as per the need of patient. It includes various techniques like inkjet printing, fused deposition modelling which can further be classified into continuous inkjet system and drop on demand. In order to formulate such dosage forms, scientists have used various polymers to enhance their acceptance as well as therapeutic efficacy. Polymers like polyvinyl alcohol, poly (lactic acid) (PLA), poly (caprolactone) (PCL) etc can be used during manufacturing. Results: Varying number of dosage forms can be produced using 3D printing technology including immediate release tablets, pulsatile release tablets, and transdermal dosage forms etc. The 3D printing technology can be explored successfully to develop personalized medicines which could play a vital role in the treatment of lifethreatening diseases. Particularly, for patients taking multiple medicines, 3D printing method could be explored to design a single dosage in which various drugs can be incorporated. Further 3D printing based personalized drug delivery system could also be investigated in chemotherapy of cancer patients with the added advantage of the reduction in adverse effects. Conclusion: In this article, we have reviewed 3D printing technology and its uses in personalized medicine. Further, we also discussed the different techniques and materials used in drug delivery based on 3D printing along with various applications of the technology.
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Barreto, Joao Erivan Façanha, Bruna Sobreira Kubrusly, Cezar Nilton Rabelo Lemos Filho, Renata Souza Silva, Samuel de Osterno Façanha, Júlio César Claudino dos Santos, and Gilberto Santos Cerqueira. "3D PRINTING AS A TOOL IN ANATOMY TEACHING." International Journal for Innovation Education and Research 10, no. 6 (June 1, 2022): 58–71. http://dx.doi.org/10.31686/ijier.vol10.iss6.3771.

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Anatomy is essentially a three-dimensional content and learning its structures, through 3D impressions, for example, is of notable importance. In this context, traditional teaching methods, despite being highly effective, still have some limitations. Therefore, 3D printing has been introduced in the teaching of Anatomy, bringing several advantages, such as accuracy, personalized study and easy handling. Based on these premises, the objective of this work was to carry out an integrative review on the use of 3D printing in the teaching of human anatomy. A study was carried out in science direct, PUBMED, Scielo databases between 2010 and 2021 using the following descriptors 3D printing and teaching of anatomy. It was found that among the benefits of using 3D parts, there are: accuracy, durability, ease of production, good cost-benefit ratio and reduction of security risks linked to the fixation of cadaver and plastinated specimens. It was observed that in some studies most students preferred the use of 3D printing to traditional methods. Other studies have shown the importance of the use of 3D printing as a complementary tool to traditional methods of teaching anatomy. It was found that the use of 3D printing as a teaching tool may reduce the demand for bodies and overcome some of the governmental legal and ethical problems in the cadaver study, further studies should be carried out to assess the long-term impact of using 3D printing.
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Chao, Yan Pu. "3D Printing Manufacture Micro-Channel Structure by Metal Micro Droplet-on-Demand Deposition." Advanced Materials Research 940 (June 2014): 311–15. http://dx.doi.org/10.4028/www.scientific.net/amr.940.311.

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In order to realize the rapid-flexible manufacture of metal micro-channel radiator structure,metal micro-droplet deposition manufacture was proposed and an experimental setup was developed. The principle of pneumatic droplet-on-demand generator and the process of single droplet ejected from the nozzle were analyzed. The calculation model of forming wall thickness was established. On this basis, a micro-channel radiator structure was fabricated. The above research show that the manufacturing of micro-channel structure by micro-droplet deposition is feasible. This works offer a new manufacturing method for micro-channel radiator structure.
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Thomas, Daniel, and Deepti Singh. "3D printing in surgery – The evolving paradigm-shift in surgical implants on demand." International Journal of Surgery 42 (June 2017): 58–59. http://dx.doi.org/10.1016/j.ijsu.2017.04.027.

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Gu, Yuan, David Gutierrez, Siddhartha Das, and D. R. Hines. "Inkwells for on-demand deposition rate measurement in aerosol-jet based 3D printing." Journal of Micromechanics and Microengineering 27, no. 9 (August 22, 2017): 097001. http://dx.doi.org/10.1088/1361-6439/aa817f.

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Maier, Manfred, Carsten P. Radtke, Jürgen Hubbuch, Christof M. Niemeyer, and Kersten S. Rabe. "On-Demand Production of Flow-Reactor Cartridges by 3D Printing of Thermostable Enzymes." Angewandte Chemie International Edition 57, no. 19 (April 14, 2018): 5539–43. http://dx.doi.org/10.1002/anie.201711072.

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Tan, Yan Jie Neriah, Wai Pong Yong, Jaspreet Singh Kochhar, Jayant Khanolkar, Xiukai Yao, Yajuan Sun, Chi Kit Ao, and Siowling Soh. "On-demand fully customizable drug tablets via 3D printing technology for personalized medicine." Journal of Controlled Release 322 (June 2020): 42–52. http://dx.doi.org/10.1016/j.jconrel.2020.02.046.

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Cooperstein, Ido, S. R. K. Chaitanya Indukuri, Alisa Bouketov, Uriel Levy, and Shlomo Magdassi. "3D Printing of Micrometer‐Sized Transparent Ceramics with On‐Demand Optical‐Gain Properties." Advanced Materials 32, no. 28 (May 17, 2020): 2001675. http://dx.doi.org/10.1002/adma.202001675.

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Jiao, Zhiwei, Fei Li, Liyang Xie, Xiaojun Liu, Baihong Chi, and Weimin Yang. "Experimental research of drop-on-demand droplet jetting 3D printing with molten polymer." Journal of Applied Polymer Science 135, no. 9 (November 3, 2017): 45933. http://dx.doi.org/10.1002/app.45933.

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Sergeeva, Valeria S., Tatiana V. Bysova, Viktor A. Smirnov, and Alexander V. Ponachugin. "PROBLEMS OF USING METHODS OF 3D MODELING AND 3D PRINTING IN SCIENCE AND PRODUCTION." EKONOMIKA I UPRAVLENIE: PROBLEMY, RESHENIYA 4, no. 10 (2021): 31–36. http://dx.doi.org/10.36871/ek.up.p.r.2021.10.04.005.

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Thanks to the rapid technological progress, the creation of 3D projects and 3D printing tech-nologies have firmly entered the life of every person. 3D modeling and 3D printing technologies are being used more and more every year. The demand for these technologies is growing more and more in all areas of production, education, science and medicine, and the quality of technologies should grow accordingly. 3D modeling has both a number of objective advantages and disadvantages. By studying open sources and special literature, we identified the main advantages and problems of the production of 3D models. The ad-vantages of the technology are an accelerated production cycle compared to traditional modeling, realism, high quality and accuracy of the created models, and at the same time, the disadvantages are the high cost in certain areas of production, the need for specialists in the field of 3D modeling and technical complexity. With the spread of this technology in all spheres of science and production, the requirements for the quality of produced 3D models also increase, for example, in many areas of science there is already a lack of accurate production 3D printers and specialists are forced to develop more and more advanced methods of 3D printing. Also, 3D printers will soon need to work with materials that are not widespread today, this will allow printing human organs, electronic microcircuits, antibiotics and other drugs on 3D printers.
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Bharani Kumar, S., S. D. Sekar, G. Sivakumar, J. Srinivas, R. Lavanya, and G. Suresh. "Modern concepts and application of soft robotics in 4D printing." Journal of Physics: Conference Series 2054, no. 1 (October 1, 2021): 012056. http://dx.doi.org/10.1088/1742-6596/2054/1/012056.

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Abstract Recent developments in (AM) additive developed normally Three-dimensional (3D) printing is a term used to describe printing that is three-dimensional in nature, have enabled researchers to use traditional production methods to create previously unthinkable, complex shapes. Usage of smart materials by the way of adopting the external stimuli in printing is part of a 3D-printing research division called 4D-printing.4D-printing allows for the development of dynamically controllable shapes on-demand by the addition of sometime as another dimension. The potential of 4D-printing has been significantly expanded by recent advances intelligent synthetic materials, new printers, processes of deformation and mathematical modelling. This paper deals with improvement in the area of 4D-printing, with a importance on its practical applications. With explications of their morphing mechanisms, Smart materials are discussed and produced using 4D-printing. Moreover, case study on soft robotics is discussed. We end with 4D Printing problems and future opportunities.
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Domsta, Vanessa, Julius Krause, Werner Weitschies, and Anne Seidlitz. "3D Printing of Paracetamol Suppositories: An Automated Manufacturing Technique for Individualized Therapy." Pharmaceutics 14, no. 12 (December 1, 2022): 2676. http://dx.doi.org/10.3390/pharmaceutics14122676.

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Pharmaceutical compounding using the molding technique is the currently applied method for the on-demand manufacturing of suppositories and pessaries. Potential errors of this method are difficult to detect, and the possibilities of individualization of size and shape of the suppositories are limited. In this study, a syringe-based semi-solid 3D printing technique was developed for the manufacturing of suppositories in three different printing designs with the suppository bases polyethylene glycol (PEG) and hard fat (HF). The 3D printed suppositories were analyzed for their visual appearance, uniformity of mass and content, diametrical dimension, breaking force and release behavior and compared to suppositories of the same composition prepared by a commonly used molding technique. The results showed no adverse properties for the 3D printed suppositories compared to the molded ones. Moreover, the easy adaptation of shape using the 3D printing technique was demonstrated by the printing of different sizes and infill structures. Thus, 3D printing has great potential to complement the available manufacturing methods for compounded suppositories, as it represents an automated system for the individualized manufacturing of suppositories that meet patients’ needs.
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OPAWOLE, Akintayo, Betty Oluwafunso OLOJEDE, and Kahilu KAJİMO-SHAKANTU. "Assessment of the adoption of 3D printing technology for construction delivery: A case study of Lagos State, Nigeria." Journal of Sustainable Construction Materials and Technologies 7, no. 3 (September 30, 2022): 184–97. http://dx.doi.org/10.47481/jscmt.1133794.

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The innovations of the fourth industrial revolution (industry 4.0) encouraged the application of 3D printing technology to complement and subsequently replace the conventional construction method. This study assessed the awareness, application, drivers and barriers to the adoption of 3D printing technology for construction with a view to enhancing faster and sustainable construction process. Primary data were obtained with the use of structured questionnaires which were self-administered to medium and small-sized construction firms/contractors in Lagos State. Data collected were analyzed using descriptive and inferential statistics. The study established that the awareness and application levels of the technology are still very low. The findings showed that there exist statistically significant differences (0.039 ≤ p ≤ 0.017) in 6 drivers for the adoption of 3D printing technology, which is influenced by the client’s demand and desire. The study further established that inadequate power supply limits the adoption of 3D printing in the Nigerian construction industry. Implications are indicated by the findings on drivers and barriers of the technology which could help the construction industry in developing countries towards capability improvement for better adoption of 3D printing innovation and enhanced sustainable construction process.
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A, Aditya Sharma. "Surface Fault Detection in 3D Printed Objects Using Deep Learning." International Journal for Research in Applied Science and Engineering Technology 10, no. 7 (July 31, 2022): 4258–67. http://dx.doi.org/10.22214/ijraset.2022.45820.

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Abstract: Robots and machines in Industry 4.0 must be able to operate efficiently and autonomously. They should work in a way that makes the work efficient and substantially error-free. A key component of Industry 4.0, additive manufacturing, or 3D printing, is bringing forth a wave of innovation in daily life by creating everything from toys to furniture to screws. The enthusiast typically uses 3D printing. To create 3D objects for private or commercial usage, various printing techniques have been developed. These techniques include fused deposition modelling (FDM), stereolithography (SLA), digital light processing (DLP), and selective laser sintering (SLS). Despite the enormous potential for AM techniques to produce unique parts on demand and with little material waste, 3D printing is not typically used in mass production. This is due to two reasons. The cost of printing is too high, and since 3D printing is typically a labour-intensive process, it would not be practical to implement it in a mass production setting. Secondly, there is no quality assurance process other than manual inspection. By applying Deep Learning to automate the QC control component of 3D printing, we hope to solve the second issue. Our research demonstrates an in-situ monitoring strategy without causing damage that can find surface flaws in 3D-printed products. We suggest a deep learning-based method in this work to assess the quality of a 3D-printed object. Deep Convolution Neural Network and Deep Convolution Neural Network with Random Forest algorithm are the first two approaches used to do this.
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Park, Young-Woo, and Myounggyu Noh. "Fabrication of 3D Temperature Sensor Using Magnetostrictive Inkjet Printhead." Journal of Imaging Science and Technology 64, no. 5 (September 1, 2020): 50405–1. http://dx.doi.org/10.2352/j.imagingsci.technol.2020.64.5.050405.

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Abstract Recently, the three-dimensional (3D) printing technique has attracted much attention for creating objects of arbitrary shape and manufacturing. For the first time, in this work, we present the fabrication of an inkjet printed low-cost 3D temperature sensor on a 3D-shaped thermoplastic substrate suitable for packaging, flexible electronics, and other printed applications. The design, fabrication, and testing of a 3D printed temperature sensor are presented. The sensor pattern is designed using a computer-aided design program and fabricated by drop-on-demand inkjet printing using a magnetostrictive inkjet printhead at room temperature. The sensor pattern is printed using commercially available conductive silver nanoparticle ink. A moving speed of 90 mm/min is chosen to print the sensor pattern. The inkjet printed temperature sensor is demonstrated, and it is characterized by good electrical properties, exhibiting good sensitivity and linearity. The results indicate that 3D inkjet printing technology may have great potential for applications in sensor fabrication.
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de Oliveira, Rafaela Santos, Stephani Silva Fantaus, Antonio José Guillot, Ana Melero, and Ruy Carlos Ruver Beck. "3D-Printed Products for Topical Skin Applications: From Personalized Dressings to Drug Delivery." Pharmaceutics 13, no. 11 (November 17, 2021): 1946. http://dx.doi.org/10.3390/pharmaceutics13111946.

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3D printing has been widely used for the personalization of therapies and on-demand production of complex pharmaceutical forms. Recently, 3D printing has been explored as a tool for the development of topical dosage forms and wound dressings. Thus, this review aims to present advances related to the use of 3D printing for the development of pharmaceutical and biomedical products for topical skin applications, covering plain dressing and products for the delivery of active ingredients to the skin. Based on the data acquired, the important growth in the number of publications over the last years confirms its interest. The semisolid extrusion technique has been the most reported one, probably because it allows the use of a broad range of polymers, creating the most diverse therapeutic approaches. 3D printing has been an excellent field for customizing dressings, according to individual needs. Studies discussed here imply the use of metals, nanoparticles, drugs, natural compounds and proteins and peptides for the treatment of wound healing, acne, pain relief, and anti-wrinkle, among others. The confluence of 3D printing and topical applications has undeniable advantages, and we would like to encourage the research groups to explore this field to improve the patient’s life quality, adherence and treatment efficacy.
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Huang, Jian, Bin Duan, Peigen Cai, Mesfin Manuka, Hailong Hu, ZhengDong Hong, Ruoyu Cao, Shouwei Jian, and Baoguo Ma. "On-demand setting of extrusion-based 3D printing gypsum using a heat-induced accelerator." Construction and Building Materials 304 (October 2021): 124624. http://dx.doi.org/10.1016/j.conbuildmat.2021.124624.

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