I made a gekko for the makerbot. I first took a pencil-drawing I made waiting in a delayed plane, made a 3D object from it using blender and printed it on the makerbot

the stl file is far from perfect, and has some holes in it (at the feet), but it prints and the result looks ok

http://www.local-guru.net/blog/2010/06/20/gekko-in-3d