Measurements that arrive half-complete
The corner screen needs the side panel; the tray, the cut-out and the waste; the worktop, the depth and the cut-outs. Whatever is missing gets filled in from memory or with a sketch that is read the wrong way round.
With the configuratorEach type asks for its own measurements and is redrawn in 3D, with the cut-out and the waste on the tray. With your rules, what you do not make cannot be ordered.