http://www.ptc.com/products/creo-elements-direct/modeling-express/
컴퓨터/무료 소프트웨어
무료 3D 캐드, 모델링 프로그램(소프트웨어) - Free 3D CAD, Modeling Software - Creo Elements/Direct Modeling Personal Edition
http://www.ptc.com/products/creo-elements-direct/modeling-express/