About this 3D model

In the theme of: http://www.thingiverse.com/thing:19294 http://www.thingiverse.com/thing:19844 http://www.thingiverse.com/thing:19445 http://www.thingiverse.com/thing:19300 ...and so forth, I present my own pile of used up objects. Derived from: http://www.thingiverse.com/thing:21430