Hi Guy,
In OBD is there way to quantity takeoff formwork area for concrete element from model
It can be working with GC same as Dynamo for Revit to takeoff or maybe new tool same as Tekla - Form face creator
https://youtu.be/i963DNT5Jrc
Thanks
There is a Tool in the Modeling Workflow which could help here. It extract trimmed and untrimmed surfaces..