To allow the 2D floor plan editor to calculate dimensions and surfaces to stack multiple floors, change the scale of the floor plan:
- The 2D floor plan editor is open.
- Go to More > Edit scale or select the Scale icon.
- The Edit scale dialog opens.
- Use one of the following options:
- Select an existing wall.
- Draw a new wall.
- In the Length field, enter the length of the wall.
- In the Unit field, select the unit.
- Select Save.
- The scale is updated based on the reference length you created for the wall.