Face-based families: Loadable families placed on planar surfaces, adjusting orientation/location accordingly.Grouped families: Multiple elements combined into a reusable object.Nested families: Families within families for complex components.In-Place families: Custom, project-specific elements created within the project environment.Loadable families: User-created or pre-built elements (e.g., doors, windows, furniture) loaded into projects as needed, created/modified in Revit Family Editor.System families: Built-in elements (e.g., walls, floors, roofs) created within the project environment.In Revit, families are essential building components. Each individual column is called a Instance. Instance – there can be several 400×400 columns in one building. Types in the family – the same looking rectangular column can be various sizes: 400×400, 500×500, etc. The model – is the entire building in Revit as a whole.įamily categories – types of elements that a building can is made from: columns, floors, walls, doors, windows etc.įamilies – different types of columns: for example, rectangular column, round column, rolled I-beam column. Model – Family Categories – Families – Types – Instance Below you can find some definitions of Revit families: