I purchased a small saw attachment for my Dremel, since I long ago returned all the power saws I was borrowing from my friend Kelvin.
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I decided to make these pieces from PVC, simply because that's what I used on droid #1, and it was some 1/8" thick material I had handy. I set up a poor-man's fence as a guide for the Dremel saw.
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I made the cut for the height of the piece, followed by a diagonal cut with a hacksaw.
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I traced where the curve will be on the opposite edge, but I haven't gotten to that yet. I'll use the Dremel drum sander attachment to cut the curve soon.
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