holes or no holes
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August 10, 2011 at 2:26 pm #12175
Participant
The holes are there to allow air to escape preventing large air bubbles from forming under the piece. I would suggest letting them drill the holes for you. All molds I have purchased have the holes pre drilled. The holes sometime become clogged by kiln wash. Use a small nail or piece of wire to keep the holes cleaned. Hope this helps.