3D-printed print mechanism snaps together with hooks and an alignment pin
_Stocko_ · x · 2026-10-22
The author shares assembly details of a 3D-printed print mechanism: the battery connector comes up through a generously sized hole, the whole mechanism is held in with one screw, and hooks plus an alignment pin hold everything in place while you screw it together — no fiddling required. Photos show the thermal print head and paper path inside a mint-green portable printer.
Related event: Teardown Shows Thermal Printer Held Together by One Screw and Snap Fits(2 posts)→
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