Prusa Inline Spool Holder
by HLMAX, published
Another spool holder!
This is a spool holder that clips onto the top of a Prusa. Desiged for compact, 90mm wide, 2kg spools. Clips on easily and easy to remove. The filament is dispensed inline with the X axis, so it comes off the spool easier with less flexing and rattling.
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Press two 608 bearings into bearing retainers. Two size of bearing retainers are provided, for 40mm and 30mm spool holes. Sandwich the spool between the retainers with a 150mm long 5/16 thread rod, held in place on both sides by 5/16 nuts. Screw the Spool Arms to the Clip-on Base using #4 X 1/2" countersink wood screws. Gentle spread the Clip-on Base and clip it to the top thread rods of your Prusa. Place the spool assembly on top of the Spool Arms. Secure it to the arms with a 5/16 nut on each side.
I print my parts 2 perimters, 2 solid layers and 0.3 fill density.