You can create a callout from a plan, section, or elevation view and then add detail components while using the model geometry as a base. When you create a callout or section detail, you can reference another detail or drafting view in the project.
The following is a general procedure for creating a callout or section detail from a Revit Architecture view. Your design intentions may differ. You can also use this procedure for imported drawings. See .
Model elements in the callout view display using underlay settings, allowing you to visually see the difference between the model geometry and added detail components. (See .)
Sample callout with halftone roof, ceiling, and wall for background
As you sketch lines, the cursor snaps to the model geometry in that view.
You might create a region to show concrete, grass, or sealant. As you sketch the lines for the region, you can change the line style by clicking Create Filled Region Boundary tabDraw panelProperties. In the Instance Properties dialog, select a different value for the Subcategory property. For example, you might want the region boundary to have invisible lines.
Sample details created with Revit Architecture detailing tools