Crank for vice
Pin and holes design from http://www.thingiverse.com/thing:26833

Print the pin and the "poignee" at
20% infill
3 shells

Print the "levier" with supports, at 100% infill, horizontal on the print bed, to maximize the resistance while inserting the pin and turning the crank

printed on Rep 2x with raft, 3rd fan.