Filament spool holder for Prusa i3

by misan, published

Filament spool holder for Prusa i3 by misan Mar 18, 2013
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Filament spool holder for Prusa i3 by misan is licensed under the GNU - GPL license.

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It allows you to have the spool mounted on the top of the i3 frame.


I have used some wood leftovers that happened to be 6mm thick, glued together. And though I am positive there are tens of bearing holders for filament spools, I designed my own, as I thought it would be quicker. My spools have an opening of 32mm internal diameter approx.

Though I have used wood, I have created a plastic version in case you want to print it too.

I have added a new support piece that will print into a stronger part, it only changes orientation.

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Don't you have issues with this making the z-y plane flex due to the weight of the roll?

It troubled me too. It does not look ok nor advisable to put weight on the top of the frame. But as far as I can tell I see no difference on my prints (most of them not very tall) with or without the spool holder on top.

I really recommend flipping this on it's side, since there's a significant amount of shear force from the weight of the spool. When printed with the default orientation of the STL, the layers are subjected to this force.

I think you are correct, I haven't tested the printed version myself, but it makes sense.