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Treebeard123
searching PlanetScale…
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by
Treebeard123
3y ago
Heated desk pads are great, cheap and low-profile.
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by
Treebeard123
4y ago
John Dobson used this technique to great effect to grind his own parabolic mirrors to build reflector telescopes. If you're not familiar, I highly recommend reading about his "Dobsonian" telescope design and its impact on ama