3 D Print
Octoprint - printing remotely
https://www.reddit.com/r/octoprint/comments/usccvr/solved_ender_3_usb_connection_issue_on_ubuntu_2204/
create a python virtualenv and pip install octoprint
cura or prusaslicer - slicer
It looks like v4.13.1 is latest that will work on lm19.3
https://forums.linuxmint.com/viewtopic.php?t=393701
https://tutorialforlinux.com/2020/12/07/step-by-step-prusaslicer-linux-mint-19-installation-guide/?fbclid=IwAR0ri2HkrMxSJKIY9DsuosQWSrrFthp7xPpq7eFWDAt9Ot2tPV7WzlqEpyU
prusaslicer download from website 200mb because in software manager it is flatpak 700mb