Anet A8 gantry mounted filament guide
cults3d
As I have a cable chain on my Anet A8 I find the filament rubs against the side. While I already have a filament guide mounted at the top of the machine I needed something to prevent it rubbing against the chain. I printed mine with 100% infill and 4 perimeter walls but you should be able to get away with less. I used 3.5mm x 18mm screws and simply used a nut on each for spacing (I didn't have any smaller screws lying around.
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