I agree, looking good technically. Would look into the paint application generally. What is the purpose and how was it applied (after construction)? Potential use cases: - wayfinding and marking of zones - Decorative (probably not in an industrial environment) - protective coating - ... For wayfinding I would try to keep…
Both. You'll probably use vert paint, being cheap and effective way to blend materials, and probably masks, even if it's just a basic noise and gradient material function to break up vertex paint blending or height lerp from a height imput for example. Also don't forget decals on top of what ever solution you use.