I finally published my PTFE Cutting Tool.
Available in different length for several extruders out there. It can cut 90°, 60° and 45° angles.
https://www.thingiverse.com/thing:3749528
How to guide and Fusion 360 sources are available as always!
Guide is here: https://guides.bear-lab.com/Guide/Trim+PTFE+Tube/21?lang=en