Ender 3 top rail filament guide
thingiverse
Remixed heavily based on Tool Holder (freestanding). It is used in combination with one of the rolling guides mounted on the Bowden extruder on the Ender 3 series. it keeps the filament close to the frame so the Ender 3 can fit into the medium size Creality Enclosure, as shown in photos. Print in any material you like, it doesn't need to be strong or stiff. But I found it is too loose in the rail. so either scale it up a bit so it fits tight, or what I did was glue it in with hot melt glue. Works for me!
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