Filament feeder hole protector (for Kingroon KP3S)
thingiverse
Fix for feeder input hole wearing off. Small, easy to print/install/replace. After about a month of intensive using my KP3S I discovered that filament dug a hole in the feeder intake wall. Here is my solution for the problem. I couldn't use z-axis top mounted filament holders, because the whole printer setup is placed in a lead-covered box (from the nearest grocery store :) ). Also I don't thing that placing a filament guide anywhere out of sync with feeder will solve the problem for 100%.
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