Spool Holder - Streamlined
thingiverse
The spool holders currently available require too much print time and are over designed. I optimized these for quick prints and optimized the part for strength and quick installation. The rods provided in this file are press fit into the bearing for a tight fit. It should be snug. One side is flat to prevent the spool from unwinding by itself. This is crucial in MMU Printing for filament changing. Bearings: 608zz Screws: #8, 3/4" wood screw. (See Pictures) Board: 1x4x8 KD attached to the wall using a stud finder and #8 2-1/2" wood screws. Supports are required. Print time on my prusa i3 MK3 was 3 hours 38 minutes for 2. ***IMPORTANT*** You cannot use PLA for the rod due to material creep. PETG is highly recommended. The spool holder can be in PLA but expect creepage deformation with time depending on spool dead load.
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