INFILL: 20% OR MORE
PART COOLING FAN: 100%
This is a remix of https://www.thingiverse.com/thing:3424651. I printed his and my flexible filament still got jammed out the sides of the extruder. I personally didn't like the idea of the extra "tube" style since my filament still managed to escape, so i started from scratch on NX7.5 and created a precise snug fit around the two bondtech gears that feed the filament in without any escape paths possible for flexible filaments.