Attach Flange from Solid
Sheet Metal > Attach > Flange 
> Flange from solid 
This function enables you to generate a sheet part as a flange from a 3-D body. The prerequisite is for the 3-D part to have the same thickness as the sheet.
Proceed as follows:
- Specify an edge of the basic sheet.
- Select the part which you would like to add as a flange. You can select any number of parts to assign to the basic sheet as a flange.
