Free CAD Tutorial 3-7a Extrude, Loft Commands – AutoCAD 2008http://www.we-r-here.com/cad_08/tutorials/level_3/3-7a.htm
FreeCADメモ-009 曲線に沿って断面形状を押し出す(スイープ機能)http://open-shelf.appspot.com/FreeCAD/9.html
Draft Wire – FreeCAD Documentationhttp://www.freecadweb.org/wiki/index.php?title=Draft_Wire