
I use them with sound. Lately I've been trying to make jewelry. It is great. so many shapes in a small box and 3 sizes of each shape. The only downside is that each shape overlaps a bit. It's hard to explain, but for example a circle is a straight piece of metal bent into a circle and soldered where the ends meet and a tiny overlap is visible in your cut out shape. I can touch up my sound, but if you're looking for perfection, this might bother you.

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