Remixed to add a chamfer to the top so the ptfe tube can insert and slightly made the bottom thinner to fit in the rubber grommet a little less snug. Also, made the ID of the bottom 2.0mm, the same as the ptfe tube and added a chamfer to the bottom as well to aid in inserting filament.
The author remixed this model.
Remixed to add a chamfer to the top so the ptfe tube can insert and slightly made the bottom thinner to fit in the rubber grommet a little less snug. Also, made the ID of the bottom 2.0mm, the same as the ptfe tube and added a chamfer to the bottom as well to aid in inserting filament.