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Dissertations / Theses on the topic '3D printing Prototyping'

Author: Grafiati

Published: 7 June 2025

Last updated: 2 August 2025

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1

Momotenko, Ruslana, Artem Terzi, and Yuryi Vlasenko. "Preparation of geometric data for 3D prototyping." Thesis, National aviation university, 2021. https://er.nau.edu.ua/handle/NAU/52827.

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1. Kasik D.J., Buxton W., Ferguson D.R. Ten cad challenges // IEEE Computer Graphics and Applications. 2005. (25). C. 81–92. 2. NURBS-based and parametric-based shape optimization with differentiated CAD kernel // Computer-Aided Design and Applications. 2018. № 6 (15). 3. STL, 3D Manufacturing Format, and Additive Manufacturing File Export Options [Electronic resource]. - Access mode: http://help.solidworks.com/2018/english/SolidWorks/ sldworks/HIDD_STL.htm<br>Despite the presence of high-tech CAD/CAM/CAE-systems, the problem of exchanging engineering data, primarily the structural elements

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Kaloda, Vít. "Výroba částí prototypových forem s využitím metod rapid prototyping." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2020. http://www.nusl.cz/ntk/nusl-417084.

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The diploma thesis pointed out the possibility of using rapid prototyping methods in the field of plastic injection, specifically to make shaped inserts into the injection mold. The universal frame of the injection mold was used and only the shaped inserts were changed. The main part of the work was the construction of an injection mold with the subsequent practical production of shaped inserts for a specified part. In the introductory part, a theoretical search was performed, about which production methods in combination with suitable materials could be theoretically used. Furthermore, the po

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Dimitrov, D., Beer N. De, and T. Centner. "Product and process innovations by means of rapid technologies." Journal for New Generation Sciences, Vol 4, Issue 1: Central University of Technology, Free State, Bloemfontein, 2006. http://hdl.handle.net/11462/487.

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Published Article<br>Over the past few years, methods of layered manufacturing (LM) have advanced substantially to the point where they now provide vital strategic benefits to various organisations. One area of application where LM technologies have begun to reach a critical mass is in the development and production of high-performance tooling in different forming processes. With these tooling capabilities now available, the next challenge becomes the development of optimal process chains to minimise lead times and production costs, while still ensuring high quality of castings. The relevant i

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Granath, Victor. "3D Printing for Computer Graphics Industry." Thesis, Högskolan i Gävle, Avdelningen för Industriell utveckling, IT och Samhällsbyggnad, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:hig:diva-10439.

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Rapid prototyping is a relativity new technology and is based on layered manufacturing which has similarities to the method an ordinary desktop paper printer works. This research is to obtain a better understanding on how to use computer graphics software, in this particular case Autodesk Maya, to create a model. The goal is to understand how to create a suitable mesh of a 3D model for use with a 3D printer and produce a printed model that is equivalent to the CAD software 3D model. This specific topic has not been scientifically documented which has resulted in an actual 3D model.

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Honiball, John Robert. "The application of 3D Printing in reconstructive surgery." Thesis, Stellenbosch : University of Stellenbosch, 2010. http://hdl.handle.net/10019.1/4207.

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Thesis (MScEng (Industrial Engineering))--University of Stellenbosch, 2010.<br>ENGLISH ABSTRACT: As part of a growing trend in the medical industry of patient specific solutions, a need arises for means and methods that could grant surgeons the ability to improve their pre-operative planning, and help streamline their intra-operative proceedings relative to each individual patient. A suitable solution has emerged in the form of Additive Fabrication. Most of the traditional layer manufacturing technologies have been considered to be too expensive for medical application, and could not alwa

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Hänel, Thomas. "Technologieentwicklung für die Herstellung patientenindividueller Knochenaufbauimplantate aus [beta]-Tricalciumphosphat [Beta-Tricalciumphosphat] durch 3D-Printing." Berlin mbv, Mensch-und-Buch-Verl, 2009. http://d-nb.info/995880042/04.

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Jiao, Hankun, I. M. Perepelitsa, I. M. Nakonecniy, Я. В. Носова, and M. Y. Tymkovych. "Development of natural models of human lungs by means of rapid prototyping." Thesis, RS Global S. z O.O, 2019. http://openarchive.nure.ua/handle/document/8634.

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The initial data were spiral-computer tomographic sections of the lung area, presented in the DICOM format. It should be noted that the thickness of the transition surface formed was chosen on the assumption that the volume would be reduced by 5 times. Using the FreeCAD software, the bracket was modeling in real physical dimensions, which combined into one model with the lungs. Next, the resulting model was loaded into specialized software MeshMixer. It allows you to perform various manipulations on three-dimensional models before printing. With its use, t

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Bonet, Navarro Andreu. "KHCO3/CO2 ELECTROREDUCTION FOR FUEL CELL APPLICATIONS: Reaction and reactor optimization, prototyping with 3D printing and automatic testing." Doctoral thesis, Universitat Rovira i Virgili, 2021. http://hdl.handle.net/10803/673156.

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Des de la primera revolució industrial, els humans hem emès enormes quantitats de CO2 a l'atmosfera. Aquest CO2 fa que les temperatures mundials augmentin, amb conseqüències catastròfiques per al medi ambient. Una de les solucions és deixar d’emetre CO2 mitjançant l’ús d’energies renovables. Tanmateix, fins i tot només retallar les emissions de CO2 no serà suficient, per tant és necessària l’eliminació de CO2 de l’atmosfera. Ja hi ha tecnologies d’eliminació de CO2 ben desenvolupades, però encara són necessàries per millorar les tecnologies que transformen aquest CO2 en productes valuosos perq

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Halamíček, Lukáš. "Návrh 3D tiskárny s dvojicí tiskových hlav." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2017. http://www.nusl.cz/ntk/nusl-318389.

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The master thesis deals with design of multi material FDM 3D printer. In the first part, current market situation and possible principles of multi material printing are described. Possible variants of individual construction nodes are described in the next part and then the selected variant is processed into a design solution. The benefit of this thesis is a proposal of solution for the automatic printing head exchange, which is practically not concerned by printer manufacturers.

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De, Beer Neal. "An investigation towards developing capability profiles of rapid prototyping technologies with a focus on 3D-printing." Thesis, Stellenbosch : Stellenbosch University, 2004. http://hdl.handle.net/10019.1/53724.

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Thesis (MEng)--University of Stellenbosch, 2004.<br>ENGLISH ABSTRACT: Rapid prototyping (RP) technologies have expanded vastly over recent years. With the advent of new materials along with new processes, each technology has been contributing to the diversities in different fields of application for the growing technologies. In the course of improvement, it is however critical to understand exactly what the capability of each individual technology is in order to compare future improvements, or even to compare current processes and technologies. The objective of this research has been t

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Apalboym, Maxim, and Scott Kujiraoka. "Advances in the Development of Missile Telemetry Test Sets: Utilizing 3D Printing for Rapid Prototyping and Manufacturing." International Foundation for Telemetering, 2015. http://hdl.handle.net/10150/596449.

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ITC/USA 2015 Conference Proceedings / The Fifty-First Annual International Telemetering Conference and Technical Exhibition / October 26-29, 2015 / Bally's Hotel & Convention Center, Las Vegas, NV<br>Functionally testing missiles in the All Up Round (AUR), a configuration that consists of a complete system packaged in its flight worthy state, requires the use of test sets along with constituent conformal equipment for interfacing. During developmental testing, telemetry (TM) sections are integrated within an AUR missile. These test sets monitor TM unit performance while maintaining form, fit,

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Rudraraju, Anirudh V. "Digital data processing and computational design for large area maskless photopolymerization." Diss., Georgia Institute of Technology, 2013. http://hdl.handle.net/1853/52930.

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Large Area Maskless Photopolymerization (LAMP) is a novel additive manufacturing technology currently being developed at Georgia Tech in collaboration with the University of Michigan at Ann Arbor and PCC Airfoils. It is intended for the fabrication of integrally cored ceramic molds for the investment casting of precision components such as high-pressure turbine blades. This dissertation addresses the digital data processing and computational design needs for this technology. Several data processing schemes like direct slicing, STL slicing, post-processing schemes like error checking, part plac

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Estelle, Stephen. "Optimizing 3D Printed Prosthetic Hand and Simulator." Digital Commons at Loyola Marymount University and Loyola Law School, 2019. https://digitalcommons.lmu.edu/etd/661.

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The purpose of this study is to examine the position and use of an upper extremity prosthetic simulator on non-amputees. To see how a 3D printed prosthetic simulator can be optimized to serve the user correctly and accurately. In addition, this study examines the improvement of the Hosmer 5X Prosthetic Hook with the addition of newly designed trusses on to the prosthetic, as well as utilizing a new manufacturing method known as 3D printing. These topics are important because there is no standardized prosthetic simulator for schools and research facilities to use. Off the shelf prosthetic simul

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Žlebek, Michal. "Konstrukce 3D tiskárny pro materiály s vyšší pevností." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2015. http://www.nusl.cz/ntk/nusl-231780.

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Thesis deals with FDM 3D printing method and testing capabilities of optimum printing conditions for different materials. The aim of this work is to design and manufacture of experimental device that enables printing to investigate these conditions. A device designed in this work was named UK3DP and allows dual color object printing with maximum dimensions of the square base of 150 mm and a height of 150 mm. Before printing, the user can set almost all parameters affecting the printing process, including air temperature in heated chamber that is part of it. To verify the functionality several

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Cole, David J. "Evaluation of fit for 3D printed retainers as compared to thermoform retainers." VCU Scholars Compass, 2018. https://scholarscompass.vcu.edu/etd/5332.

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ABSTRACT EVALUATION OF FIT FOR 3D PRINTED RETAINERS AS COMPARED TO THERMOFORM RETAINERS By David Cole, D.M.D. A thesis submitted in partial fulfillment of the requirements for the degree of Master of Science in Dentistry at Virginia Commonwealth University Thesis Directors: Eser Tüfekçi, D.D.S., M.S., Ph.D., M.S.H.A. Professor, Department of Orthodontics Sompop Bencharit, D.D.S., M.S., Ph.D. Associate Professor and Director of Digital Dentistry, Department of General Practice Introduction: Despite recent advances in three-dimensional (3D) printing, little information is available on 3D printe

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Dunn, Katherine Margaret. "Prototyping Models of Climate Change: New Approaches to Modelling Climate Change Data. 3D printed models of Climate Change research created in collaboration with Climate Scientists." Thesis, The University of Sydney, 2017. http://hdl.handle.net/2123/17623.

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Prototyping Models of Climate Change: New Approaches to Modelling Climate Change Data, identifies a gap in existing knowledge on the topic of 3D Printed, three dimensional creative visualisations of data on the impact of climate change. Communication, visualisation and dissemination of scientific research data to the general-public is a priority of science organisations. Creative visualisation projects that encourage meaningful cross-disciplinary collaboration are urgently needed, from a communication standpoint and, to act as models for agile responsive means of addressing climate change. Th

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Onyeako, Isidore. "Resolution-aware Slicing of CAD Data for 3D Printing." Thesis, Université d'Ottawa / University of Ottawa, 2016. http://hdl.handle.net/10393/34303.

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3D printing applications have achieved increased success as an additive manufacturing (AM) process. Micro-structure of mechanical/biological materials present design challenges owing to the resolution of 3D printers and material properties/composition. Biological materials are complex in structure and composition. Efforts have been made by 3D printer manufacturers to provide materials with varying physical, mechanical and chemical properties, to handle simple to complex applications. As 3D printing is finding more medical applications, we expect future uses in areas such as hip replacement - w

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Lindqvist, Erik. "Creating a streamlinedmanual fluorescent stainingmethod for neuroscience." Thesis, Blekinge Tekniska Högskola, Institutionen för maskinteknik, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-21659.

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This thesis will conduct an attempt of simplifying the currently used stainingmethod of the protein profiling group at The Karolinska Institute led by Jan Mulder. By utilizing iterative product development several prototypes were created to first fit the criteria’s specified and secondly best retain and evenly spread a solution across the tissue sections. A realization made early on was that to be able to create the correct spreading of such a small volume of a solution one must make use of the capillary effect created in narrow spaces. From numerous of iterations of design and testing a produ

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Tesař, Jaroslav. "Sestavení a ověření funkčnosti domácí 3D tiskárny." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2014. http://www.nusl.cz/ntk/nusl-231417.

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This thesis was created as a bachelor project in the Faculty of Mechanical Engineering at VUT in Brno. In the theoretical part, the additive technology Rapid Prototyping is introduced together with the most common methods, followed by the assessment of advantages and disadvantages of the new technology and its possible uses in various fields of human activity. In the experimental part of the diploma thesis was assembled and the printing parameters were set. Consequently the comparison models were printed on the 3D home printer and on professional printer Dimension uPrint. The accuracy of the p

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Rodrigo, Miranda. "A Comparative Study of Strength and Stiffness of Thin-Walled Specimens Fabricated By FDM and 3D Printing Technologies." BYU ScholarsArchive, 2012. https://scholarsarchive.byu.edu/etd/3349.

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Rapid Prototyped part failure constitutes a major issue for both RP providers and customers. When parts fail the reputation of the vendor is heavily deteriorated, customer dissatisfaction increase and replacement of the broken parts is often necessary to avoid the loss of future business. Product design teams often run into situations where Rapid Prototyped parts are not able to withstand shipping and handling and delivered broken or while demonstrating and examining the parts. When done in the face of customers this builds a perception of poor quality and lack of aptitude on the design group

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Martins, José Roberto. ""Manufatura rápida - avaliação das tecnologias de impressão 3D e FDM na fabricação de moldes rápidos"." Universidade de São Paulo, 2006. http://www.teses.usp.br/teses/disponiveis/18/18146/tde-18072006-101938/.

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Este trabalho avaliou a aplicação das tecnologias de prototipagem rápida por Impressão 3D e FDM (Fused Deposition Modeling) na produção de moldes rápidos. Esta avaliação foi feita com base nas qualidades das peças obtidas por vazamento nos moldes produzidos, bem como nas limitações encontradas em suas utilizações. Foram estabelecidas as principais diferenças do ponto de vista de qualidade, custos, tempos gastos e praticidade. Foram construídos moldes para peças que contemplando vários graus de dificuldades. Para cada ferramental foram obtidos lotes de peças, através dos quais foram analisada

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Sekerka, Vít. "Výroba dílů technologií DMLS a jejich porovnání s jinými konvenčními technologiemi z hlediska ekonomické náročnosti." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2011. http://www.nusl.cz/ntk/nusl-229969.

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This diploma thesis presents a technology based on the gradual smelting of fine layers of metal powder by using a laser beam. It explains and describes basic terminology related to the Rapid Prototyping technology, its division and practical usage. A part of the thesis is also the fabrication of several prototype parts by Direct Metal Laser Sintering including the economical comparison of their fabrication with other conventional technologies.

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Palacios, Sebastian R. "A smart wireless integrated module (SWIM) on organic substrates using inkjet printing technology." Thesis, Georgia Institute of Technology, 2014. http://hdl.handle.net/1853/51906.

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This thesis investigates inkjet printing of fully-integrated modules fabricated on organic substrates as a system-level solution for ultra-low-cost and eco-friendly mass production of wireless sensor modules. Prototypes are designed and implemented in both traditional FR-4 substrate and organic substrate. The prototype on organic substrate is referred to as a Smart Wireless Integrated Module (SWIM). Parallels are drawn between FR-4 manufacturing and inkjet printing technology, and recommendations are discussed to enable the potential of inkjet printing technology. Finally, this thesis presents

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Gustafsson, Christopher. "Lead-time reduction and rapid prototyping of tools and fixtures, therefore I AM : A case study about additive manufacturing in the automotive industry." Thesis, Mälardalens högskola, Innovation och produktrealisering, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-44762.

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The purpose of this thesis is to investigate how to decrease lead-times of conventionally manufactured prototypes of tools and fixtures. Which could lead to increased knowledge of how an operations site within the automotive industry could utilize additive manufacturing when producing company specific prototypes of tools and fixtures. The research approach applied in this case study combines a literature review to systematically find relevant literature aligned with the research topic of additive manufacturing or 3D printing related to lead-time reduction and generative design terms. With the

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Eshraghi, Shaun. "Additive manufacture of tissue engineering scaffolds for bone and cartilage." Diss., Georgia Institute of Technology, 2015. http://hdl.handle.net/1853/54482.

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Bone and cartilage constructs are often plagued with mechanical failure, poor nutrient transport, poor tissue ingrowth, and necrosis of embedded cells. However, advances in computer aided design (CAD) and computational modeling enable the design of scaffolds with complex internal michroarchitectures and the a priori prediction of their transport and mechanical properties, such that the design of constructs satisfying the needs of the tissue environment can be optimized. The goal of this research is to investigate the capability of additive manufacturing technologies to create designed microarc

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Hatzitheodorou, Philip Andrew. "An Experimental Study on Passive Dynamic Walking." Scholar Commons, 2015. https://scholarcommons.usf.edu/etd/5498.

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In this study, a previously designed passive dynamic walker (PDW) is built out of aluminum and plastic. The aim of the study was to produce an asymmetrical PDW and to compare the results to a computer simulation to validate the mathematical model. It also aimed at identifying the limitations of using additive manufacturing to create components for a PDW as well as gain insights on asymmetric systems. Beginning with a five mass kneed model, parameters were varied to produce up to a nine mass kneed model solution. The nine mass model allows more variability in added mass locations and separates

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Šebánek, Jan. "VYUŽITÍ 3D TECHNOLOGIÍ VE VEŘEJNÉM PROSTORU." Doctoral thesis, Vysoké učení technické v Brně. Fakulta výtvarných umění, 2016. http://www.nusl.cz/ntk/nusl-240509.

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The aim of this thesis is to define the impact of rapid prototyping technology in terms of creative potential to use this technology represents a particularly sculpture and architecture. Rapid Prototyping is a generic term covering a range of technologies: 3D scan converting the already realistic three-dimensional objects in computer memory, parametric modeling, which creates three-dimensional objects based on the formative algorithms, photogrammetry method of compiling three-dimensional object from a photo, technology, 3D printing materializing after each layer objects transferred from the co

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Sengeh, David Moinina. "Advanced prototyping of variable impedance prosthetic sockets for trans-tibial amputees : polyjet matrix 3D printing of comfortable prosthetic sockets using digital anatomical data." Thesis, Massachusetts Institute of Technology, 2012. http://hdl.handle.net/1721.1/76573.

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Thesis (S.M.)--Massachusetts Institute of Technology, School of Architecture and Planning, Program in Media Arts and Sciences, 2012.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (p. 66-68).<br>This work, supported by the Media Lab Consortium, evaluates the design of a Variable Impedance Prosthetic (VIPr) socket for a transtibial amputee using computer-aided design and manufacturing (CAD/CAM). Compliant features are seamlessly integrated into a 3D printed socket to achieve lower interface peak pressures over bony protuberances by using anthropomorphic data acq

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Castro, João Henrique Dayrell de. "Um estudo sobre a aplicabilidade da prototipagem 3D na gestão das cirurgias odontológicas." Universidade Federal de Goiás, 2018. http://repositorio.bc.ufg.br/tede/handle/tede/8401.

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Submitted by Luciana Ferreira (lucgeral@gmail.com) on 2018-04-27T13:04:57Z No. of bitstreams: 2 Dissertação - João Henrique Dayrell de Castro - 2018.pdf: 7299168 bytes, checksum: efabcdcc029c5f210c34a1d570717bbb (MD5) license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5)<br>Approved for entry into archive by Luciana Ferreira (lucgeral@gmail.com) on 2018-04-27T13:17:35Z (GMT) No. of bitstreams: 2 Dissertação - João Henrique Dayrell de Castro - 2018.pdf: 7299168 bytes, checksum: efabcdcc029c5f210c34a1d570717bbb (MD5) license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8

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Бойко, Інеса Вячеславівна. "Хмарний сервіс швидкого прототипіювання". Bachelor's thesis, КПІ ім. Ігоря Сікорського, 2019. https://ela.kpi.ua/handle/123456789/28425.

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Метою роботи було створення хмарного сервісу швидкого прототипування, що дасть змогу користувачу завантажити свою готову 3D модель у форматі STL та на її основі проводити розрахунок витрат матеріалу при подальшому друку ABS пластиком. Всі обчислення проводяться на стороні сервера повертаючи клієнту отриманий результат. Користувацький додаток представляє собою демонстрацію завантаженої користувачем моделі у окремому вікні, виведення результатів обчислень моделі або у разі помилки файлу відповідне повідомлення. Записка містить 63 сторінки, 32 рисунки, 5 формул та 20 посилань.<br>The goal of th

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Vocílka, Ondřej. "Využití aditivní technologie pro návrh a výrobu prototypu oční protézy." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2019. http://www.nusl.cz/ntk/nusl-402543.

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This diploma thesis has an aim to fabricate a prototype of esthetical prosthesis using solely Rapid Prototyping aditive technology and to explore the possibility of using commercially available biocompatible materials. In the theoretical part, a description of types of ocular prosthesis types with the focus being on esthetic ocular prosthesis. is given. The practical part of the work offers a comprehensive view on the whole process of the prototype fabrication. It provides a description of creating the 3D model by scanning, geometrical adjustments of the model, textures mapping, print optimiza

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Tavajoh, Sara, and Huynh Michael. "Marknadsundersökning kring additiv tillverkning i Sverige." Thesis, Tekniska Högskolan, Högskolan i Jönköping, JTH, Maskinteknik, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:hj:diva-40858.

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Användningen och intresset för additiv tillverkning (AM) har ökat markant de senaste åren och det finns en teori kring att tillverkningsmetoden kan vara det nästa steget i den industriella revolutionen. Eftersom AM fortfarande befinner sig i utvecklingsstatidet går det att anta att tekniken ännu inte uppnått sin fulla potential och att det kan komma att finnas möjligheter att implementera tekniken i fler branscher och företag. Detta skulle innebära en bredare marknad för AM. Syftet med examensarbetet var att undersöka vilka möjligheter och hinder som finns för ökad användning av AM i Sverige.

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Fitzgerald, Shawn. "A pneumatic conveying powder delivery system for continuously heterogeneous material deposition in solid freeform fabrication." Thesis, Virginia Tech, 1996. http://hdl.handle.net/10919/46072.

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<p>Great improvements are continuously being made in the solid free form fabrication (SFF) industry in terms of processes and materials. Fully functional parts are being created directly with little, if any, finishing. Parts are being directly fabricated with engineering materials such as ceramics and metals. This thesis aims to facilitate a substantial advance in rapid prototyping capabilities, namely that of fabricating parts with continuously heterogeneous material compositions. Because SFF is an additive building process, building parts layer-by-layer or even point-by-point, adjusting mate

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Lauterio, Jessica. "Progettazione e sviluppo di un simulatore per la guida di procedure ricostruttive maxillofacciali con realtà aumentata." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2019.

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La ricostruzione oro-mandibolare è una particolare tecnica chirurgica che ha l’obiettivo di ripristinare le normali condizioni anatomiche, funzionali ed estetiche di strutture mutilate a seguito di traumi, malformazioni o resezioni oncologiche. Attualmente la tecnica più comunemente impiegata per la ricostruzione oro-mandibolare è quella basata sul prelievo di un lembo libero rivascolarizzato di fibula. Il prelievo del lembo costituisce la parte più delicata dell’intervento.La tecnica chirurgica tradizionale per questi tipi di interventi si basa esclusivamente su un sistema di misurazioni eseg

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Hauerwas, Joel Adam. "THE DEVELOPMENT OF A BIOMEMETIC DYNAMIC AIRFOIL CONTROL SYSTEM FOR FLAPPING WING MICRO AIR VEHICLES." Case Western Reserve University School of Graduate Studies / OhioLINK, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=case1609868852739095.

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Story, Christopher B. "Shape Memory Alloy / Glass Composite Seal for Solid Oxide Fuel Cells." Thesis, Virginia Tech, 2007. http://hdl.handle.net/10919/42709.

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Widespread use of solid oxide fuel cells is hindered by a lack of long-term durability of seals between metallic and ceramic components caused by thermal expansion mismatch induced cracking. A novel gas seal design incorporating an engineered thermal expansion gradient in a SrO-La2O3-Al2O3-B2O3-SiO2 glass matrix with a TiNiHf shape memory alloy mesh for active stress relief and crack healing is being developed. Coefficient of thermal expansion (CTE) measurements of the seal and fuel cell components shows the possibility for a thermal expansion gradient. Differential scanning calorimetry and

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Schunemann, Esteban. "Paste deposition modelling : deconstructing the additive manufacturing process : development of novel multi-material tools and techniques for craft practitioners." Thesis, Brunel University, 2015. http://bura.brunel.ac.uk/handle/2438/13803.

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A novel paste deposition process was developed to widen the range of possible materials and applications. This experimental process developed an increasingly complex series of additive manufacturing machines, resulting in new combinations of novel materials and deposition paths without sacrificing many of the design freedoms inherit in the craft process. The investigation made use of open-source software together with an approach to programming user originated infill geometries to form structural parts, differing from the somewhat automated processing by 'closed' commercial RP systems. A serie

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Vašek, Vojtěch. "Použití modelů zhotovených technologii 3D tisku při výrobě odlitků do bentonitových forem na formovací lince." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2017. http://www.nusl.cz/ntk/nusl-319282.

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Shortening of the time required to make first product after demand is a crucial factor in every field of industry, not excluding the foundry. To lower this delay, there are rapid prototyping methods. The aim of this thesis is to execute an experiment and then evaluate possibilities of using patterns made by 3D FDM printer on an automatic molding line.

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Knauer, Alexandra Mariel. "Fluid Flow Characterization and in Silico Validation in a Rapid Prototyped Aortic Arch Model." DigitalCommons@CalPoly, 2016. https://digitalcommons.calpoly.edu/theses/1700.

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Transcatheter aortic heart valve replacement (TAVR) is a procedure to replace a failing aortic valve and is becoming the new standard of care for patients that are not candidates for open-heart surgery [2]. However, this minimally invasive technique has shown to cause ischemic brain lesions, or “silent infarcts”, in 90% of TAVR patients, which can increase the patient’s risk for stroke by two to four times in future years [3]. Claret Medical Inc., a medical device company, has developed a cerebral protection system that filters and captures embolic debris released during endovascular procedure

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Reis, João Filipe Sá. "Desenvolvimento e projeto de impressora DMF para impressão multicolor." Master's thesis, Universidade de Aveiro, 2016. http://hdl.handle.net/10773/17077.

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Mestrado em Engenharia Mecânica<br>O trabalho aqui reportado visa a conceção, projeto, desenvolvimento e realização de uma impressora 3D, com recurso à tecnologia de Deposição de Material Fundido (DMF), capaz de imprimir peças multicolores a partir de um número limitado de cores base, sendo esta a principal diferenciação relativamente às impressoras deste tipo comercialmente disponíveis. O processo de desenvolvimento passou por uma análise competitiva deste tipo de impressoras, onde foram identificados os principais requisitos dos clientes, assim como as principais especificações técnicas asso

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Cebrià, Pairoli Anna. "Participació ciutadana i inclusió social en les comunitats de persones cegues: un estudi d'educació artística basat en el mestratge de la professora Rosa Gratacós." Doctoral thesis, Universitat de Girona, 2013. http://hdl.handle.net/10803/116769.

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The construction of this thesis is developed from different conceptual interlacing axis that created a networking weave through which the field of investigation was debated and defined and a project of collaborative citizenship with the goal of providing an improvement in the social environment from which the visual impairment through art was built. Firstly, we speak about the context in which, in a dialogic way, the identity of Ph. D. Rosa Gratacós Masanella has grown and developed. With the help of the narrative research and the life story methods we make an approach to the life time experie

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Nassif, Marcel. "Méthode de fabrication additive endoscopique par photopolymérisation pour la réparation in-situ de systèmes en espace contraint." Electronic Thesis or Diss., Compiègne, 2022. http://www.theses.fr/2022COMP2684.

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Cette thèse est dédiée à l’étude et au développement d’une méthode endoscopique d'impression additive par photo-polymérisation. Le principe de l'endoscopie permet d'imprimer des objets en 3D ou de réparer des pièces endommagées dans un assemblage mécanique dense sans le démonter. La thèse consiste, après étude de l’état de l’art, à proposer des solutions adaptées à la problématique endoscopique, puis modéliser, concevoir, réaliser et valider expérimentalement deux principaux sous-systèmes (photo-polymérisation UV par guide d’image, pulvérisation de résine par conduit tubulaire) qui, une fois s

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Conti, Alfredo. "Tecniche della manifattura additiva - applicazioni in ambito aeronautico e aerospaziale." Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2017. http://amslaurea.unibo.it/13306/.

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Il potenziale delle nuove tecnologie digitali applicate al settore industriale ha consentito di ridurre enormemente la durata dei cicli produttivi grazie alla rapida gestione di quantità di dati sempre più considerevoli attraverso l’introduzione delle Macchine a Controllo Numerico (Computer Numerical Control – CNC). Nel corso delle ultime tre decadi, l’industria manifatturiera ha subito notevoli e sostanziali cambiamenti grazie ad una sempre più forte connessione con il mondo dell’informatica. La più grande rivoluzione in tale ambito è stata segnata dall’avvento della Manifattura Additiva (A

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Pan, Tien-Yu, and 潘天佑. "Development of a 3D Printing Rapid Prototyping System." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/57150612201467067852.

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碩士<br>國立臺灣科技大學<br>機械工程系<br>93<br>The purpose of this paper is to develop the 3D printer RP system by integrating the printing device of printer (Y-axis) and the X-Z stage. We first measure the signal of the printer, and than calculate the torque of the X-Z axis according to the acceleration of printing and the dynamic equation of the transmission mechanism. The RP system uses PIC16F877 as its control unit, and the human-machine interface is achieved by LabVIEW. A user can input command to PC and than transmits through RS232 transmission module to the PIC16F877 to complete the motion and proces

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Allard, Travis T. "The role of 3D printing in biological anthropology." Thesis, 2006. http://hdl.handle.net/1993/279.

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The following work explores the role of 3D printing in biological anthropology. A case study approach is used to provide an understanding of two different applications for 3D printing and to identify a potential methodology for creating 3D models. Case study one looks at the application of 3D printing to reconstruction projects using a flowerpot to test the reconstruction methodology. The second case study uses both laser surface and CT scanning to create a replica of a human skeleton. The two methods of data acquisition are evaluated for advantages and limitations in creating the virtual

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Nunes, Tiago Filipe Moreira. "Desenvolvimento de uma impressora 3D (FDM) com extrusor ajustável." Master's thesis, 2015. http://hdl.handle.net/1822/54583.

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Dissertação de mestrado integrado em Engenharia Eletrónica Industrial e Computadores<br>O presente trabalho trata o estudo de um processo de impressão tridimensional (Fused Deposition Modeling) e desenvolvimento de uma nova tecnologia, metodologia e ferramenta de extrusão capaz de diminuir o tempo total de impressão de um modelo. Esta técnica de impressão tridimensional pertence ao grupo dos métodos de prototipagem rápida e consiste em obter um objeto a partir de um modelo digital de três dimensões. Este método de impressão requere um filamento termoplástico, por exemplo, polylactic acid (PLA

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Noversa, João Tiago Gomes. "Desenvolvimento e actualização do controlo de um equipamento de prototipagem rápida." Master's thesis, 2015. http://hdl.handle.net/1822/39976.

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Dissertação de mestrado integrado em Engenharia Mecânica<br>Esta dissertação consiste na aplicação do conceito de retrofitting a um aparelho de prototipagem rápida e na criação de uma máquina de produção rápida de modelos. A aplicação deste conceito consiste na substituição de componentes desactualizados por componentes mais recentes e de melhor desempenho, com o objectivo de evitar a aquisição de uma máquina totalmente nova, desta forma obtém-se um produto funcional e de forma rendível. Este aparelho permitirá, por exemplo, obter moldes para fundição num intervalo de tempo extremamente c

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Stegmann, Korine. "Knoop." Diss., 2008. http://hdl.handle.net/2263/29863.

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The essence of this dissertation was to explore the synergies between fashion and architecture to inform the design of a resource rich environment.<br>Dissertation (MArch(Prof))--University of Pretoria, 2009.<br>Architecture<br>unrestricted

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