Factorio style component logicstics mixed with Kerbal Space Program style micromanagement of functional designs would be a blast. Make me design an assembler f

Factorio style component logicstics mixed with Kerbal Space Program style micromanagement of functional designs would be a blast. Make me design an assembler for assembling my own robot arms, then strap them to a cart (that I assembled in a different factory), put an AI into it, and use it as a logistics robot for building more things...