Autodesk Revit Tutorials, Revit Families, BIM Revit

   
     
     
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Choosing the Right Family Template

 
Every family belongs to a category, making it important to assign new families correctly so they can be controlled logically when loaded into a project. Revit provides a series of pre-made templates (Figure 10.2) for most families.
Figure 10.2
Premade model family templates
 
When you decide to create an element on your own you need to select the correct template. These premade templates are time savers, because they already have the right category assigned, provide the most important reference planes that drive the behavior and geometry, and in some cases include text notes to help explain how the family will work in the context of a project. Figure 10.3 shows a window template file, which includes text indicating the exterior/interior of the wall; parametric dimensions for width, sill height, and opening height; and a sample host wall.
The reference planes that appear in the family environment are the essential bones of any family. They establish the critical dimensional rules for the family, define the origin, and provide refer-ences that can be dimensioned to. All starting templates provide at least two reference planes to start with, because without reference planes, you can’t make parametric content or dimension it in the project.