Release the coaster from the mold and allow it to finish ... be the reason the resin stays sticky. Can I make my own molds for resin? Yes, you can make your own molds for epoxy resin projects.

Buy the Kudos Coaster Plus—now available for $20 ... many of his off hours hunched in his basement, pouring resin into plastic molds. The results were messy and a little too permanent.

They decided to compare the aluminum molds they usually use with some 3D printed molds created with a resin printer. They used two different resins, one on each side of the mold. You can see a ...