pump top (toy)

This drill ( http://www.thingiverse.com/thing:731086 ) reminded me of a pump top I had when I was a kid, so I built one.

Updated: see end note.

Action video (no knob version): https://vid.me/MiuW
And a virtually unedited version with dishwasher noise, smacking it across the kitchen floor: https://vid.me/R6JD

The piece here is printed in ABS and I had some cooling artifacts, but at a 10 hour print rate, I'm going to accept that for now. It uses _a lot_ of plastic because there is s