reference grid

A reference grid underlying floor plans which shows the buildings' structural elements and provides guidelines for depicting floor areas. By applying the same grid to all of a building’s floors, you can ensure consistency between floors.

For example, you can measure distances in relation to the grid when developing other elements of your floor plan. If the grid's intersecting lines represent the building's structural columns, you can place your rooms in terms of these structural columns by using the relative coordinate and angle snap tools. place walls according to intersecting grid lines.