Thingiverse
Pythagorean cup - jigger or plant waterer by 811902J
by Thingiverse
Last crawled date: 4 years, 7 months ago
This is a Pythagorean cup. It has an internal line in it, and if filled past the line, will empty itself. All of the piping is hidden within the cup itself. There is a FDM version and a SLA version.