Pythagorean Goblet

My goal was to make a version of the pythagorean cup that:looks like a real (mediaeval or so) goblet hides the siphon mechanism inside the walls of the cupdrains the water very quickly after reaching the “magical line” How to get the best resultsPlace the goblet on a level surface. Gently fill in the water, otherwise it might splash up the tubes in the siphon and cause it to run even-though the water level is still beneath the line.I'd recommend using a hydrophobic polymer (for example PLA)