Can you make epoxy resin magnetic?

I just got a new mold off the alphabet. As in I can make 1.5” tall individual letters with epoxy resin. I got the idea to make alphabet magnets but I’m wondering if anyone has a way to add magnetic powder or a magnetic coating that can basically avoid me gluing a visible to the back. This may be a far out idea hmm...

submitted by /u/sleepyjean211
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from DIY https://ift.tt/30LgNKs