So... uh... is there a way to make a train wagon that could be a factory building? It'd have to be really small, probably, to keep things balanced, and probably require two or more trains just to pull (can only input with inserters, belts would get real messy). but, imagine if you could have a small smelting array on the go? just load up occasionally with ore and you can take all the material you need to build a new micro factory. or maybe you're going for a nomadic style of play. you've got FARL engines on either end set to bulldozer, and you just haul your factory everywhere instead of having an army of trains bringing everything back to base. Idk its a crazy though, but one i'd love to see done. I mostly just want a mobile "house" of sorts a maintenance shed on tracks, but if its possible and it gets crazy.... I'd love to see a factory on wheels