Upright Extruder

Upright Extrude（Upright Extrude） Animation Tutorial
Loft the selected face along the selection line while keeping the lofted section upright.

Set Upright Vector By Coordinates（Set Upright Vector By Coordinates） Animation Tutorial
When a coordinate axis is used as lofting, the vertical axis shall be maintained.

Set Upright Vector From Edge（Set Upright Vector From Edge） Animation Tutorial
Keep the vertical axis when selecting a line as the loft.