This is a remix of B-Cup's Tevo Flexible Filament Extruder Upgrade with tighter tolerances in the idler pulley side.
Compared to the previous version, this one:
- Reduces the risk of extruder jamming. In my case, from 1 jam every 2 print to 0 jams in more than 20 prints so far.
- Allows for faster printing speeds for flexible filaments.
- Makes filament feeding a bit easier.
When printing with B-Cup's extruder certain flexible filaments there is a risk of extruder jamming due to filament creeping in between the space of the idler pulley and the extruder top (left image below).
To prevent this, I've added a little tip that fills that space and forces the filament into a straight path (right image below).
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