Got an itch? Print one of these and you can scratch any itch! Tape roll for size comparison, but printed example is 29cm long.
Mashup of the hand by ...Daniel K. Schneider (http://www.thingiverse.com/thing:2608 and a squashed cylinder. I printed mine in Nylon (Taulman 618) to test this material, but it would print fine in any high strength material like PETG.