Neat, I'll read it.
I've had that problem before, it looks different. I asked on reddit as well and they suggested tilting the mold slightly, and that worked, so...
75% tin 25% lead. It's just a few grams of metal, I very much doubt anything could go that badly with so little energy involved. Casting in stone...
I cast buttons in stone molds. Usually air bubbles don't matter because they end up on the back side which isn't seen anyway. For this button I...
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