Rooms — MEP Tools

Create and dimension the room boundary your equipment sits inside.

A room is the bounded floor area you lay equipment into. Every project has a room; its walls define the boundary that equipment must stay inside and the envelope the validator checks clearances against.

Creating a room

Press R (or pick the room tool) and draw the room outline, then drag the edge handles to match your architectural shell. Snapping to the grid keeps edges aligned — toggle grid snap with G and grid visibility with Shift+G.

Drawing a room and adjusting edge handles

Setting dimensions

Select an edge or the room and type exact internal dimensions in the inspector. Values are in millimetres, measured from the coordinate origin at the bottom-left corner (see the coordinate system).

Width:  8400 mm
Depth:  6200 mm
Origin: 0,0 (bottom-left)

Walls, doors, and columns

Rooms and validation

See Clearance validation for the full rule list.