About model and data exchange with 3rd party solutions: Revit, Solibri, dRofus, Bluebeam, structural analysis solutions, and IFC, BCF and DXF/DWG-based exchange, etc.
You can try to create a loft between closed contours instead of just splines.
You can also activate Caps and Roundings in the Loft object, but not sure that is what you are trying to achieve.
I know there is a 'shell' modifier in VIZ/3ds max that generates a thick object from a flat one 😉
--- stefan boeykens --- bim-expert-architect-engineer-musician --- Archicad27/Revit2023/Rhino8/Unity/Solibri/Zoom MBP2023:14"M2MAX/Sonoma+Win11 Archicad-user since 1998 my Archicad Book
