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Hi everyone, since some days I am trying to cut polygons (for buildings) out of my mesh. So far, I managed to cut the polygons out but not at the correct height of my mesh. I am using version 11.2.15. This is the workflow as I did it so far: Load the dxf-file of the polygons CAD Data --> CAD -> Map Define it as Generic 2D Mesh Feature Objects --> Build Polygons and Renumber Select all Polygons and assign them to disabled via Feature Objects --> Attributes (Mesh type = paving, bias 1, bathymetry type = constant) Convert Map --> 2D Mesh Merge exisiting mesh with polygon-mesh Every hint is much appreciated! Thank you, Maria