2. Using underlays for plans

2. Using underlays for plans How to use a lower storey plan as an underlay Amritha Krishnan

On any floor plan, by default, the plan of the storey immediately below the active storey is displayed as an underlay. The underlay can be used to trace out upper storey plans. You can snap edges or vertices of rooms to those in the lower storey, you can also snap walls and slabs to objects on the lower storey.

To turn the underlay off, you can turn the lower storey off. You can restore the underlay at any time by turning the lower storey back on.

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