Most Bang for the Buck 3D
Ender 3
xx
Creality Mini CR10
Creality Ender 3 24v
Board Upgrade $50
Pronterface
Videos
Upgrade to Duet $100
Add end of Fiber
Capricorn Bowden Tube
2020
Best Creality Ender 3 (Pro) Upgrades & Mods | All3DP10
Best 3D Printer Test Print Models | All3DP'
kliment/Printrun:
Pronterface, Pronsole, and Printcore - Pure Python 3d printing
host software
https://all3dp.com/2/3d-printer-test-print-10-best-3d-models-to-torture-your-3d-printer/Printrun
– A Beginner's Tutorial | All3DP
Ubuntu
Manpage: pronsole - command line host software for 3d printers
Expect - Wikipedia