Counting matching models…
well, if you use heat, the gear can be removed with pliers, so do that instead. Most HRS-550 DC Motors come with a gear on its shaft, in most cases you just want a simple shaft that you can attach a coupling or similar to it, this part…
Tinkercad link: https://www.tinkercad.com/things/gkaNqDm5KAb-4mm-ltt-stubby-screwdriver this is a ratchet-less 4mm bit version of the LTT Stubby screwdriver with the alternative cap, this uses a 30mm bit extender found on some screwdriver…
a KP3S Pro/S1 can print at 210x210 with a 210x210 PEI Build plate (or any magnetic build plate), so i made this model to test if you can.
This is a lightweight stand for most Pi-3 compatible boards, it does not require any other hardware and it just attaches with friction, its not a very secure fit but it should not detach under normal use, but you can also "plastic weld"…
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