Parametric bushing
thingiverse
I created parametric bushings in OpenSCAD to couple my filament spools with my spool holder. Since the model is fully parametric you can change the size of the bushing and the required sturdiness pretty easy to adopt for different usage scenarios / axis diameters. The center hole is smooth enough to slide on wooden dowels pretty great. When I give my spool a gentle push it moves on for 2 to 3 more turns. I have included the created STLs for spools from orbitech and bitsFromBytes. Instructions The following parameters can be supplied to the module: height - Height of the bushing radius- Radius of the bushing hole_r - Radius of the axis hole border - Border of elements recess - Height of the recession num_support - Number of support axes Simply print and enjoy! ;)
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