<?xml version="1.0" encoding="UTF-8"?><?xml-stylesheet type="text/xsl" href="static/style.xsl"?><OAI-PMH xmlns="http://www.openarchives.org/OAI/2.0/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/ http://www.openarchives.org/OAI/2.0/OAI-PMH.xsd"><responseDate>2026-09-19T15:23:30Z</responseDate><request verb="GetRecord" identifier="oai:dspace.mit.edu:1721.1/85798" metadataPrefix="dim">https://dspace.mit.edu/server/oai/request</request><GetRecord><record><header><identifier>oai:dspace.mit.edu:1721.1/85798</identifier><datestamp>2026-06-06T00:54:50Z</datestamp><setSpec>com_1721.1_7582</setSpec><setSpec>com_1721.1_7581</setSpec><setSpec>col_1721.1_131023</setSpec></header><metadata><dim:dim xmlns:dim="http://www.dspace.org/xmlns/dspace/dim" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.dspace.org/xmlns/dspace/dim http://www.dspace.org/schema/dim.xsd">
   <dim:field mdschema="dc" element="contributor" qualifier="advisor" lang="en_US">Wojciech Matusik.</dim:field>
   <dim:field mdschema="dc" element="contributor" qualifier="author" lang="en_US">Wang, Ye, M. Eng. Massachusetts Institute of Technology</dim:field>
   <dim:field mdschema="dc" element="contributor" qualifier="other" lang="en_US">Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science.</dim:field>
   <dim:field mdschema="dc" element="contributor" qualifier="department">Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science</dim:field>
   <dim:field mdschema="dc" element="date" qualifier="accessioned">2014-03-19T15:46:05Z</dim:field>
   <dim:field mdschema="dc" element="date" qualifier="available">2014-03-19T15:46:05Z</dim:field>
   <dim:field mdschema="dc" element="date" qualifier="copyright" lang="en_US">2013</dim:field>
   <dim:field mdschema="dc" element="date" qualifier="issued" lang="en_US">2013</dim:field>
   <dim:field mdschema="dc" element="identifier" qualifier="uri">http://hdl.handle.net/1721.1/85798</dim:field>
   <dim:field mdschema="dc" element="identifier" qualifier="oclc" lang="en_US">871704686</dim:field>
   <dim:field mdschema="dc" element="description" lang="en_US">Thesis: M. Eng., Massachusetts Institute of Technology, Department of Electrical Engineering and Computer Science, 2013.</dim:field>
   <dim:field mdschema="dc" element="description" lang="en_US">Title as it appears in Degrees awarded booklet, September 2013: Material design by fab trees for 3D printing. Cataloged from PDF version of thesis.</dim:field>
   <dim:field mdschema="dc" element="description" lang="en_US">Includes bibliographical references (pages 67-68).</dim:field>
   <dim:field mdschema="dc" element="description" qualifier="abstract" lang="en_US">With more 3D printable materials being invented, 3D printers nowadays could replicate not only geometries, but also appearance and physical properties. On the software side, the tight coupling between geometry and material specification, and the lack of tools in specifying materials volumetrically, however, hinder the full usage of the multi-material capability of 3D printers. The heavy dependency on traditional modeling software also makes casual users, who are becoming one of the most important user groups, unwelcome in this rising area. This thesis aims to solve the above problems by proposing fab trees for creating and combining procedural material specifications defined in OpenFL, a language for fabrication similar to the shading language for rendering. The fab tree representation allows users 1) to decouple material specification from geometry; hence, to be able to reuse the created materials on different models; 2) to easily create complicated materials systematically; 3) to have enough freedom to design materials procedurally, and fully utilize the functionality of today's multi-material 3D printers. In addition, I provide a fully functional user interface to explore desired visualization methods and user interactions for casual users in the 3D printing context.</dim:field>
   <dim:field mdschema="dc" element="description" qualifier="statementofresponsibility" lang="en_US">by Ye Wang.</dim:field>
   <dim:field mdschema="dc" element="description" qualifier="degree" lang="en_US">M.Eng.</dim:field>
   <dim:field mdschema="dc" element="format" qualifier="extent" lang="en_US">68 pages</dim:field>
   <dim:field mdschema="dc" element="language" qualifier="iso" lang="en_US">eng</dim:field>
   <dim:field mdschema="dc" element="publisher" lang="en_US">Massachusetts Institute of Technology</dim:field>
   <dim:field mdschema="dc" element="rights" lang="en_US">M.I.T. theses are protected by copyright. They may be viewed from this source for any purpose, but reproduction or distribution in any format is prohibited without written permission. See provided URL for inquiries about permission.</dim:field>
   <dim:field mdschema="dc" element="rights" qualifier="uri" lang="en_US">http://dspace.mit.edu/handle/1721.1/7582</dim:field>
   <dim:field mdschema="dc" element="subject" lang="en_US">Electrical Engineering and Computer Science.</dim:field>
   <dim:field mdschema="dc" element="title" lang="en_US">Fab trees for designing complex 3D printable materials</dim:field>
   <dim:field mdschema="dc" element="title" qualifier="alternative" lang="en_US">Material design by fab trees for 3D printing</dim:field>
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   	&lt;Title>Fab trees for designing complex 3D printable materials&lt;/Title>
   	&lt;Subtitle>Material design by fab trees for 3D printing&lt;/Subtitle>
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   	&lt;PublicationDate>2013&lt;/PublicationDate>
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        	&lt;DisplayName>Wang, Ye, M. Eng. Massachusetts Institute of Technology&lt;/DisplayName>
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    &lt;Keyword>Electrical Engineering and Computer Science.&lt;/Keyword>
   	&lt;Abstract>With more 3D printable materials being invented, 3D printers nowadays could replicate not only geometries, but also appearance and physical properties. On the software side, the tight coupling between geometry and material specification, and the lack of tools in specifying materials volumetrically, however, hinder the full usage of the multi-material capability of 3D printers. The heavy dependency on traditional modeling software also makes casual users, who are becoming one of the most important user groups, unwelcome in this rising area. This thesis aims to solve the above problems by proposing fab trees for creating and combining procedural material specifications defined in OpenFL, a language for fabrication similar to the shading language for rendering. The fab tree representation allows users 1) to decouple material specification from geometry; hence, to be able to reuse the created materials on different models; 2) to easily create complicated materials systematically; 3) to have enough freedom to design materials procedurally, and fully utilize the functionality of today&amp;apos;s multi-material 3D printers. In addition, I provide a fully functional user interface to explore desired visualization methods and user interactions for casual users in the 3D printing context.&lt;/Abstract>
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