Spool Spindle
thingiverse
This is a filament spool spindle designed to lower the torque required to unspool filament while printing (on a Prusa i3 with 7mm threaded rod spool holder, or any other similar printer) - give it a try if you're experiencing under-extrusion issues. The dimensions were based on Hatchbox spools, but they can easily be scaled up to fit other dimensions. As built, I printed two short pieces for each side of the filament spool. I also included one long solid spindle if you'd rather have a single piece. Print Settings Printer Brand: RepRap Printer: Prusa i3 Rafts: No Supports: No Resolution: 0.3mm Infill: 100% Notes: Prints without rafts or supports. I printed 100% infill for added strength, but it's probably not required.
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