Walk through the apartment at eye height. Built to scale from the 1:50 floor plan; kitchen per the Bruynzeel order.
W A S Dwalk (or arrow keys), Shift to walk fasterMouselook aroundClickchange what is under the crosshair: wall, floor, sofa, curtains... (or press E)Cpaint every room1 2 3furniture layout (also Looks and Layout in the toolbar)Escfree the mouse; Ctrl/Cmd+Z undoes a change