There are 2 repositories under three-d-printing topic.
CLI and C library for processing triangulated solid meshes
A 3D Printed trombone
Designs for 3D printering (objects, source files)
3D printable Minecraft spider toy.
Email job notifications for Makerware (Makerbot Desktop) with Replicator 1/2/2X
3D printed models of things around the home