Block and tackle | Flaschenzug
thingiverse
A collection of tackles for educational use. With these provided files, various tackles can be created (1:1, 1:2, 1:3, 1:4 [and 1:5, if pulling upwards]). To create other configurations, edit the scad files. For each workpiece, two strips are needed: first with recesses for nuts (strip_wXmY_N) and second with recesses for screwhead (strip_wXmY). The first number in the filename specifies the number of wheels, the second one the number of mounts. For each wheel, two wheel spacers are required. Depending on the bearings and screws used, the files need to be adjusted. For the uploaded files, 608zz bearings, M3x14 screws (DIN 912 / ISO 4762) and M3 nuts work perfectly.
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