
Originally Posted by
chad.gore
Create a family starting with the "generic wall-based" template. Create reference planes for the boundaries of the niche, and add a "void extrusion" that is locked to the reference planes. Add dimensions and associate them with instance parameters (length, width). You can control the depth parametrically, as well, using another reference plane (in plan view). Leave the Family Category (under settings) as Generic Model and you won't have to worry with an unnecessary window tag.. Your niche will be a family that you can insert into interior walls and whose size you can control per instance. I think it will be grip editable as well.