https://www.v1engineering.com
https://www.thingiverse.com/thing:790533

Probably last version

https://www.thingiverse.com/thing:1671517
https://reprap.org/wiki/Mostly_Printed_CNC

From Matrin

https://www.v1engineering.com/specifications/
https://www.v1engineering.com/assembly/
https://www.thingiverse.com/thing:790533

Another Machine

https://medium.freecodecamp.org/how-to-build-a-3-d-printer-using-cnc-controller-in-python-bd3cd5e28516

https://reprap.org/wiki/CNC_Gcode_controller