Printrbot alternate Y axis.
thingiverse
The Y-axis mount for the Printrbot positions a stepper motor horizontally, allowing use of large polycarbonate pulleys unsuitable for vertical mounting. To install, print this part and two items from Thingiverse (http://www.thingiverse.com/thing:13479). Mount on four threaded rods below the print bed, off-center to center the pulley. Use nuts and washers on bottom rods, and a nut, fender washer, washer, 608 bearing, washer, and mount on upper rods (two bearings optional for belt surface). Attach belt using linked Thingiverse assembly, adjusting exit point to align with top of 608 bearings. This fixes stuttering bed issues caused by side-mounted Y in custom Prusa heatbed-fitted Printrbot. The design could be improved with better CAD skills and .dxf import capabilities.
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