+===Geeignete CAD-Programme (Beispiele)===
+* [http://www.openscad.org OpenSCAD]
+* [https://www.tinkercad.com/ Tinkercad])
+* [https://www.freecadweb.org/ FreeCAD]
+* [http://www.meshmixer.com/ Autodesk Meshmixer]
+* [https://www.rhino3d.com/de/ RhinoCeros]
+* [https://www.blender.org Blender]
+* [http://www.implicitcad.org/ ImplicitCAD]