Articulated folding tramway doors (print in place)
thingiverse
The folding doors like in an old-time tramway or trolley bus. For the real door enthusiasts ;) The doors from both sides are open and closed by using one of the levers: https://www.youtube.com/watch?v=iAmP5qoIsgY It is designed to be print-in-place. On Creality Ender 2 with Slic3r PE, I think these are the settings that are important (assuming that the basic temperature and extrusion calibration is already done): 0.2mm layer height Perimeteres: 30mm/s External perimeters: 70% XY separation of supports: 70% It is printable in one piece. Print with supports, oriented like in the screenshot. The mechanism requires a bit of help to get going. Expect a few gear teeth to require help of a craft knife or a needle file. Uses gear.scad 1.1 by Leemon Baird.
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