Summary
A cross brace and axle that fits the RepRewind spool holder. They are slightly longer than the original to fit thicker spools. It is also threaded to fit a PC4-M10 Fitting Connector so the PTFE tube can be anchored.
The remaining files can be found here: https://www.thingiverse.com/thing:3516858
The author marked this model as their own original creation.