One good thing about doing what I do is that there's always a lot of spare parts knocking around. I put this together in under an hour using this picture as reference [link]
and I'm pretty pleased with how it came out.
Parts from a webcam, wires, picture hooks, nails, rawl plugs, and some things I don't know what they are. And a potato.
UPDATE: Check out wheatlyofaperture's version over here ---> [link]
! Not only is it better-proportioned, it won't rot! GLaDOS would approve.
GLaDOS belongs to Valve.