Go to modify flat pattern.
Fusion 360 sheet metal flat pattern.
Only flat linear sections of sheet metal can be used as the stationary base face for a flat pattern.
Re assignment of the sheet metal rules for the resulting component will not be possible.
Select the stationary face.
Sheet metal bodies with multiple radii curves or arcs in the sketch.
To do that create the sheet metal part from scratch in fusion 360.
Link to vote for improved sheet metal tools in fusion.
When exporting a dxf flat pattern in fusion 360 sheet metal an error occurs.
There was an unexpected problem with exporting the flat pattern as a dxf file.
How to make flat patterns for rolled sheet metal designs.