Chapter 7 Working with Metal
Here are three more “meta projects”—projects you build first, then use them to make other projects. These all use metals and metal-working processes in a fun way
The Desktop Foundry project makes a cool miniature foundry that casts tiny metal parts. It uses Field’s metal, a special, safe, low-temperature casting alloy. You could try substituting other low temperature alloys, but be careful. Don’t use an alloy that contains lead or cadmium.
I dressed up the Desktop Foundry with fancy brass parts I made using a process called photo etching. Even if you don’t etch any parts yourself, it’s interesting to read about ...
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