I was frustrated by how the Ultimaker 3 stock filament guide works, especially with wider spools which jam up.
This front mounting filament guide is remixed off the original Ultimaker part: https://www.youmagine.com/designs/ultimaker-3-spool-holder
It simply clips on the front of the spool holder - the cable cover can not be used with this guide. The white insert from the original guide can be put in this one if wanted.
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