Anyone knows where I can get matcaps that look like Shapeways materials, for example?
Maybe some of you made custom ones and are kind enough to share it? 8)
you can just make a matcap from a picture.
http://docs.pixologic.com/user-guide/materials-lights-rendering/materials/matcap/matcap-basics/
or
http://www.zbrushcentral.com/showthread.php?62618-MatCap-Tutorial-by-KOSOVA