Use a drafting view to create unassociated, view-specific details that are not part of the modeled design.
Rather than create a callout and add details to it, you may want to create detail conditions where the model is not needed (for example, a carpet-transition detail which shows where carpet switches to tile, or roof-drain details not based on a callout on the roof). For this purpose, create a drafting view.
In a drafting view, you create details at differing view scales (coarse, medium, or fine) and use 2D detailing tools: detail lines, detail regions, detail components, insulation, reference planes, dimensions, symbols, and text. These are the exact same tools used in creating a detail view. However, drafting views do not display any model elements. When you create a drafting view in a project, it is saved with the project.
When using drafting views, consider the following:
The following is a sample drafting view created using the 2D detailing tools in Revit. This is not a 3D view.