Easily create resin coasters to look like a geode slice with this reusable silicone coaster mold. The mold can help you make matched resin coaster sets to gift or sell!
Coasters made with this silicone mold measure 5 inches across by 1/8 inch deep.
How do you make geode resin coasters with this mold?
Step 1: Thoroughly mix a casting resin
Step 2: Color and add to the coaster mold
Step 3: Demold and finish as desired
Agate slice coasters shown were made with the Resin Obsession super clear resin, Alumidust bronze, Resin Obsession opaque white pigment, glass chips, and bronze glitter. The geode edge was highlighted with bronze acrylic paint after demolding.
To prolong mold life, apply a light layer of Ultralease resin mold release at least thirty minutes before use.
Sample geode coasters shown are not included with purchase. Mold color may vary from the picture.