PTAM 3D Mapping?
scanning? Can these programs record point cloud datasets and pass that info to other computer applications (like the Blender point cloud skinner script) to convert the points into 3D models? This could be a way to make a 3D scanner for like $10 or $20 (or free if you already have a camera).
Here are a couple links for the info:
I was thinking to try it out in a week or two when I have some free time but it'd be fun to know if anyone has some experience with it!