Thank you, that was one of the first things the team tried to perfect was the 1Bit visuals in a 3D scene. If you are interested here are the resources we used to implement a simple 1 bit shader with dithering:
https://sambigos.itch.io/godot-dither-shader - Demo
https://github.com/samuelbigos/godot_dither_shader - Implementation instructions
https://lospec.com/palette-list - Palette resource
https://github.com/tromero/BayerMatrix - Bayer Matrix (This is what makes the dither)
https://godotshaders.com/shader/dither-gradient-shader-updated-for-4-5-original-by-sambigos/ - Updated Gdshader for godot. (We’ll be using this one for the actual code)
Thank you for playing!