Take it to the doctor's office, dentist's office, post office or wherever you're impatient and make a statement. Video of Impatience prototype is here: https://www.youtube.com/watch?v=GC8uSzHRMyg&list=UUv_zm49u-RjnCJVwhUO-ecA&index=1. Video of inspiration is here: https://www.youtube.com/watch?v=Syp3CW9sFbk&list=PL9BA90489B5257FB4&index=1. A motorized version of Impatience is here: http://www.thingiverse.com/thing:428566. And thanks imaterialise for the fingers! Designed using Sketchup 8, and printed in PLA on a Makerbot Replicator 2 using Makerware 2.3.3.42. Study "Assembly.skp". Print 5 "Axle Appendage.stl", 4 "Arm Finger.stl", 2 "Cam 0.stl", 2 "Cam 45.stl", and one each of the remaining parts. Assemble as per "Assembly.skp".