Flowerpot for Five Mini-Cactus

Designed to hold 5 of those Mini-Cactus with about 54mm top-diameter and Fit exactly on the 210x250mm Printingsurface of Prusai3 Mk2. Also includes drainage and water-outlet on front.
Uploaded V2 with little edge-cuts on the back side, new PrusaSlicer blocks the print because it goes stightly out of the print-area.