This is a top-mounted spool holder for 2020 extrusion that uses parts from the original Geeetech A30 spool holder and a few wheels like those found on the bed or axis gantries.
I wanted a simple spool holder with bearings that was centered above the printer for use with a direct drive extruder, and was simple to mount and use. This is what I came up with using spare parts I had laying around.
What to print:
Print the center, two uprights, and one of the threaded cylinders.
The uprights can be printed with the largest flat face down. The threaded cylinder should be printed upright. Print the center section however you please, but it looks best when printed upright.
Additional hardware required:
How to assemble:
How to use:
The wheel assembly fits into the recesses on top of the uprights, using the 6mm of space along the bolts as the axle. The wheels provide smooth motion for the filament spool, and swapping filaments is as easy as lifting it off and moving the wheel assembly to the new spool!
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