Meshmixer is the newest member of the Autodesk 123D family. Meshmixer is a powerful software tool for 3D mashups and remixes. You can mash, mix, sculpt, stamp or paint your own 3D designs. The mesh models can be exported to OBJ, DAE or STL file formats or directly printed on a 3D printer.
The latest version Meshmixer 2.2 adds a.o. an interesting 3D patterning function. Here you can see its results on the sample 3D mesh model "Bunny":
Autodesk Meshmixer can be downloaded and used for free from