<?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>2026-09-19T13:15:34Z</responseDate><request verb="GetRecord" identifier="oai:dspace.mit.edu:1721.1/144942" metadataPrefix="dim">https://dspace.mit.edu/server/oai/request</request><GetRecord><record><header><identifier>oai:dspace.mit.edu:1721.1/144942</identifier><datestamp>2022-08-30T03:04:16Z</datestamp><setSpec>com_1721.1_7582</setSpec><setSpec>com_1721.1_7581</setSpec><setSpec>col_1721.1_131024</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">Fang, Nicholas Xuanlai</dim:field>
   <dim:field mdschema="dc" element="contributor" qualifier="author">Pettit, Leah</dim:field>
   <dim:field mdschema="dc" element="contributor" qualifier="department">Massachusetts Institute of Technology. Department of Mechanical Engineering</dim:field>
   <dim:field mdschema="dc" element="date" qualifier="accessioned">2022-08-29T16:22:32Z</dim:field>
   <dim:field mdschema="dc" element="date" qualifier="available">2022-08-29T16:22:32Z</dim:field>
   <dim:field mdschema="dc" element="date" qualifier="issued">2022-05</dim:field>
   <dim:field mdschema="dc" element="date" qualifier="submitted">2022-06-14T19:35:30.876Z</dim:field>
   <dim:field mdschema="dc" element="identifier" qualifier="uri">https://hdl.handle.net/1721.1/144942</dim:field>
   <dim:field mdschema="dc" element="description" qualifier="abstract">3D printers are becoming increasingly common in homes and libraries across the country. With it comes a desire to make something, but little direction about what to make. A large percentage of the US population wears glasses, so a project which allows people to 3D print their own glasses would be both meaningful and practical if it can be done using easy-to-learn skills. While there is a single documented example of producing a 3D printed lens with some post-processing, that used SLA printer, which is currently less common, especially amongst individuals. I set out to determine whether this process could be amended for FDM 3D printing or if there is another way to make optically clear lenses with an FDM printer. I discovered that the other traditional smoothing techniques were not sufficient to create a clear surface, but resin coating could result in a fully transparent object. However, further research is needed to determine whether a specific focus can be repeatably created using this method, and it would still require a substantial time investment on the part of the potential user. This makes it a poor early-learning project, but leaves open the potential value to more advanced makers.</dim:field>
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   <dim:field mdschema="dc" element="title">Optically Clear FDM Printing</dim:field>
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   	&lt;Title>Optically Clear FDM Printing&lt;/Title>
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   	&lt;PublicationDate>2022-05&lt;/PublicationDate>
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        	&lt;DisplayName>Pettit, Leah&lt;/DisplayName>
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   	&lt;Abstract>3D printers are becoming increasingly common in homes and libraries across the country. With it comes a desire to make something, but little direction about what to make. A large percentage of the US population wears glasses, so a project which allows people to 3D print their own glasses would be both meaningful and practical if it can be done using easy-to-learn skills. While there is a single documented example of producing a 3D printed lens with some post-processing, that used SLA printer, which is currently less common, especially amongst individuals. I set out to determine whether this process could be amended for FDM 3D printing or if there is another way to make optically clear lenses with an FDM printer. I discovered that the other traditional smoothing techniques were not sufficient to create a clear surface, but resin coating could result in a fully transparent object. However, further research is needed to determine whether a specific focus can be repeatably created using this method, and it would still require a substantial time investment on the part of the potential user. This makes it a poor early-learning project, but leaves open the potential value to more advanced makers.&lt;/Abstract>
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