<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31317059</termId><termName>stereolithography</termName><termType>PT</termType><termNote><![CDATA[ An an early, widely used 3-D printing technology. It is a process that builds 3-D objects by converting liquid materials into solid parts by curing them using a light source, which causes chains of molecules to link, forming polymers. The process is used for creating models, prototypes, patterns, and production parts. A typical method uses a UV laser to create cross-sections of the object within a vat of liquid photopolymer. The process was first developed in 1986. The process is valued to create accurate parts with repeatable dimensions; applications include engineering assemblies, jewelry casting, and dental repairs. ]]></termNote><termCreatedDate>2026-03-30 20:25:23</termCreatedDate><relation><relationType>UF</relationType><termId>31317060</termId><termName>SL</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31317061</termId><termName>SLA</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31317062</termId><termName>STL</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31304183</termId><termName>3-D printing</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>31304174</termId><termName>rapid prototyping</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>31304671</termId><termName>polymerization</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>31402212</termId><termName>stereolithographic models</termName><termType>PT</termType></relation></term>  </Zthes>