Monoprice Mini Delta Extruder Spring Helper

This is a small part to add a little more pressure to the filament feed to help prevent slipping and under-extrusion.

The other extruder mod in this picture is https://www.thingiverse.com/thing:2867077 which accepts a standard PTFE fitting.

I've also made a Remix of the above mod to add a spring helper directly to it.

https://www.thingiverse.com/thing:3368368