Open center resin geode coaster mold

Open center geode silicone coaster mold - make resin coasters


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Easily create resin coasters to look like a geode slice with an open center using this reusable silicone coaster mold.  The geode coaster mold can help you make matched resin coaster sets to gift or sell!  The silicone mold casts with edging that will make your resin coasters look just like agate geode slices.

Resin coasters made with this geode coaster silicone mold measure 5 inches across by 1/8 inch thickness. The center is open approximately 1 3/8 inches by 1 inch.

How to Use

How do you make open geode resin coasters with this mold?

Step 1:  Accurately measure and thoroughly mix a casting resin

Step 2:  Color the resin, then add to the coaster mold

Step 3:  Demold the coaster and finish as desired

Agate slice coasters shown were made with the Resin Obsession super clear resin, Pearl Ex magenta, Resin Obsession opaque white pigment, glass chips and dark pink glitter.  The geode edge was highlighted with a silver paint pen after demolding.

Make sure your geode coaster mold lasts a long time.  Apply a light mist of resin mold release thirty minutes or longer before using your coaster mold with resin. 

Sample resin coaster shown is not included with silicone geode mold purchase.  

Shipping & Returns

This resin open geode silicone coaster mold can ship worldwide!

Get your order when you need it.  Orders placed by 12 PM ET ship the same day!

We want you to be thrilled with your purchase, but in case you're not, we gladly accept returns or exchanges of unused resin coaster molds within 30 days of receipt.  

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