Mastering Autodesk Revit 2020

Chapter 15Designing with the Family Editor

In previous chapters, we discussed the modeling techniques for system families such as walls, roofs, floors, and ceilings. In essence, they can be thought of as elements that are quantified in terms of their spatial properties, such as linear units, surface area, or volume. For example, a roof might be quantified in terms of its overall area, and the area of its components (concrete, decking, roof membrane, etc.).

While system families are essentially rule-based assemblies applied to sketch-based forms, component families are more self-contained, diverse in scope, and most often quantified as “counted” objects. Such families include doors, windows, furniture, light fixtures, plumbing fixtures, specialty ...