【ＣＡＤ】無償版3D

無償版3D CAD-AlibreDesign Xpress
http://www.alibre.jp/product/xpress.htm
KOMPAS-3D LT version English-German FREE
http://ascon.net/download/kompas/
無料 – CoCreate Modeling Personal Edition
http://www.ptc.com/offers/tryout/pe2.htm