Did you ever had that feeling that if you had had an extra finger you could had kill that annoying fly?
Because we always need an extra hand with an extra finger when killing flies.
The trick here is to print this without botton/top fill, so it will show the "fill %" chosen.
You'll need two barbecue sticks and some electrical tape.
Changes July 09 - made hand thicker and stronger, for it was breaking easily