Here is another contribution by Rudolf Honke of acadGraph CADstudio GmbH. He says: I am working with the placement of family instances on a TopographySurface to represent objects such as arrays of trees, traffic lights, RPC figures etc. I made use of your discussions on placing furniture and detail family instances and created a Revit add-in providing family instance placement functionality: During the development, we faced some problems similar to those treated in the two blog posts. There are these... Read more →