Another alternative is Rhino+Grasshopper with direct g-code generation, which allows for some wild tricks, including full colour printing: https://www.instagram.com/medium_things/
You can read more here:
https://controlmad.com/en/training/10h-grasshopper-g-code-fo...
https://interactivetextbooks.tudelft.nl/rhino-grasshopper/Gr...