print your casting mold for rings !

ideal as present for e.g. couples. The model is for flexible filaments e.g. TPU.

Procedure:1) print as many casting molds as you want 2) put them together and put 4 M4 screws into the holes of each casting mold3) fill concrete into the casting molds. Wait 30 minutes after each one that the concrete can get a bit hard4) dry the filled forms for about 1 week in a warm environment5) cut the casting molds with a cutter knife from the rings6) if you want, paint the rings or decorate them

material: TPU weight: about 60 gr.printing time: about 6 hours (depends on printer)diameter of rings: about 100mm