Super simple spool holder for 8mm rod and 2020 or 2040 aluminum extrusions.
thingiverse
Simple and quick spool holder for 2020 or 2040 extrusions. Requires an 8mm rod, two m5 screws, two m5 hammer/t-nuts, two m3 screws, and two m3 nuts. The bracket holds the rod at a slight angle so that the spool can't fall off of the end. Make sure to install it correctly so that the spool wants to fall in toward the printer, not away. Proper print orientation for maximum strength is shown in the above cura screenshot. Works really well with my reverse bowden design: https://www.thingiverse.com/thing:4058189
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