Amazon You use a glass cutter to cut a glass into any shape you want. It sounds impossible but it's actually quite easy once you get the hang of it. The glass I was using was thin because if it's too thick, cutting it could be a challenge. You usually run your cutter in a straight line, but once you are used to it, you can do irregular shapes such as a circle. As mentioned in the previous section, if you are planning to slump your product in some mold, you need to cut your glass the same shape as that of the mold.
Here is what the glass cutter looks like.
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