
It's done! The huge bolts and washers holding the gears on were actually the only part of the arm that cost money: $6. It's worth every penny, though, as the gears intermesh and turn smoothly.
It's a bit heavy and it feels like it wants to flop over, but I think it's ready for prime time.
I picked up some cowboy boots at the thrift store for $10, so now I have everything!

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