Gear Tooth Geometry.

I feel like, with making the first two "Introduction to Digital Computers" videos I've gained a superpower. And I've used that power to help me visualize and solve another problem I was having, figuring out the shape of spur gears (and eventually, internal spur gears, the next major feature I'd like to add to the... Continue Reading →

The test print of the Earth-Moon Orrery

So after a couple of days of printing, and a little sanding, some assembly, and not a tiny bit of cursing, I have a printed orrery gear assembly for our Earth-Moon Orrery. It's a little stiff, but that's to be expected since I haven't perfected the gears through sanding. (That means carefully going through each... Continue Reading →

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