Coin Scanner with Edges

This is a quick draft of an idea that I have been kicking around in my head. Since Makerbot is having a design contest, I thought two birds with one stone.

This scanner allows the user to place a coin on a scanning plate and let the machine center, image obverse and reverse and then scan the edge. Edge scans are key in collecting some coins and edge scanning is a pain to do manually. So here is the idea and prototype layout. Joints and axis are placed and should allow full range of intend