The Right Arm to my Dimetrodon Loomisi, modified for STL printing.
Some assembly required. Video assembly guide included (in AVI).
Note 1: The video assembly guide to this and other models of mine that require some assembly are available for viewing and critiquing on Youtube. So far, these models are the Dimetrodon, Eolambia, Short-faced Bear, Uintatherium, and Dimetrodon. To view each of these videos, just enter the name of the model, followed by "assembly guide." For the Short-faced Bear, You can also enter the word "arctodus." For the Dimetrodon, it's best just to enter "dimetrodon."
Note 2: Since I've had problems rendering images with Blender's OpenGL, I've decided to render images with the rendering camera. While I get good images that way, in cases like this with so many faces, edges, and vertices, a good wireframe image comes out as a black-colored model.