Handle for thread making taps

Updated version with knob spinner on to: http://www.thingiverse.com/thing:847254

It's often useful to be able to create threads in plastic holes so that things, like circuit boards, can be secured in place with tiny screws. I have a set of taps for just this purpose, but the heavy steel handle I have didn't really work well -- because it is hard to feel what is going on and I've stripped plenty of holes.

This tap handle tapers so you can get more torque if held near the butt end, or more