Printrbot Simple Bind-Resistant Filament Guide
thingiverse
My initial filament guide was flawed as its small hole led to binding of filament; therefore, I combined parts E12 and E13 from the original design. To rectify this issue, I shaped a new hole in a 'hopper' style, resisting filament entanglement. Dreadpirate15 further enhanced this design by converting it into an extruder insert, preventing detachment. Consequently, I now use this improved version full-time, recommending you check it out at http://www.thingiverse.com/thing:163991.
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