Sheet Metal > Attach > Flange 
The Attach flange function offers various procedures for the attaching of flanges. To create a flange at an angle of 180 degrees, use the following options:
- Reference:
- Direct, to outer tangent
or - Direct, to inner tangent
- Possible Fitting mode:
- Without shortening
- Shorten, outer tangent
- Shorten, inner tangent
- To plane, outer
- To plane, inner
Example:
