Placing MEP fitting along pipe not working

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Place Fire Dampers Using MEPover MEPFitting Node

Hello everyone, I am trying to place fire dampers in walls and I am having a few issues: The script works fine if there are only rectangular ducts in the model or only round ducts in the model, but all duct have to be intersecting walls. [image] If the model has round ducts with some intersecting walls and others not, the MEPover node will give a null result (also true for rectangular ducts). The MEPover node will also give a null result if the model has round and rectangular ducts (all int…