Gravitrax Motorized Marble Lift
thingiverse
have a look here, updated version: https://www.thingiverse.com/thing:4695120 After I had adhesion problems on my buildplate and problems with my fast turning N20 motor, I changed the following: -Lift Base holder now has no holes at the corners, to fix adhesion/warping issues. -Spiral: Reworked from scratch, as I had issues with turning too fast, so the marble didn't fall into the Spiral tube. Would have worked to slow down the spindle, but I added a smooth entry instead. Topside allows to put a beautiful marble in. Prints with 0.8mm nozzle with two walls, NO INFILL, NO SUPPORTS -Motor-Holder-Longer: The Original was hard to insert into the spindle. So I extended it and added a Slip-In cone. Further the facetted outline now allows to Press-Fit the motor holder using e.g. a battery after warming it a bit. Enjoy
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