@Czaja Great! Thanks for the explanation. So we don’t have components to work with parts yet, but here are two python components to Get Floor Parts and Split Part By Curve. They’re a bit crude and need fine-tuning but hope this helps you get started with your Grasshopper solution. I’ll put these on the list to make native GH components for
Floor Parts_V20.rvt (380 KB) Floor Parts.gh (12.5 KB)