Eight machines, one block. The floor is gone; the machines are not.
Rack a furnace and open its own screen from where you stand.
A blast furnace in bay 2: ore comes in from one chest through a Connector, ingots go out to another, both rows Running.
FLOW: one arrow per pair of boxes, however many links share it, and pips walk wherever something moves.
UPGRADES: two bays to start, eight with Expansion Plates. Every upgrade says what it does and what it is made on.
Walk into a room, build, pull it out as an item, rack it in another Workbay: the build comes with it.
Inside a Wide Room: nine blocks on a side, a lit door in every wall.
A stranger is refused, in one line. A network is born locked.
