500 MB file for one facade. Solution: You modeled every dowel individually. You must use Nesting . One instance of a repetitive node is 100kb. 1,000 instances of the same node is still 100kb (plus memory for positions). Always check "Shared" in the Family Parameters when nesting.
Once these are checked, you have successfully digitized a thousand-year-old craft into the 21st-century BIM workflow. mashrabiya revit family
Adaptive Components. That was the key.