Episode 2615 starts with a story about house factories in shipping containers. But there's a [citation needed]. Did he post the details on twiXer?
I have my own design for an 8x20/40 woodmill. Units of 2x4s and 12" plywood in one end and an assembly jig that folds out of the other.
Maslow CNC for the plywood and ganged radial arm saws on a conveyor for the 2x4s.