Mesh to Roof
Tips and Tricks • Andras Bognar • 28 November 2019
AEC - Tip of the Day, Archicad
You can make roof from mesh.
Select the mesh and go to Design/Design extras in menu and click on the Create roofs from mesh option
But first you need to download the Archicad goodies:
https://www.graphisoft.com/downloads/goodies