> A Reprap or similar 3D printer? They could build it as a team? > Inspires both technical prowess and collaboration, that way? > Would be a useful device afterwards, too? It would. I suggested if you had a 3D printer and a mini-mill you'd have the start of a good little fabrication set-up Joe --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .