Hem PropertyManager

To create a hem feature:

In an open sheet metal part, click Hem on the Sheet Metal toolbar, or click Insert > Sheet Metal > Hem.
In the graphics area, select the edges where you want to add a hem.
The selected edges appear in Edges .
In the PropertyManager, under Edges:
- Click Edit Hem Width to edit the sketch of the profile.
- Select Material Inside or Bend Outside to specify where to add the material.
- Click Reverse Direction to create the hem on the opposite side of the part.
Under Type and Size:
1. Click a hem type:
  - Closed
  - Open
  - Tear Drop
  - Rolled
2. Set:
  - Length (closed and open hems only)
  - Gap Distance (open hem only)
  - Angle (tear drop and rolled hems only)
  - Radius (tear drop and rolled hems only)
Under Miter Gap, set Miter Gap if you have intersecting hems. Mitered corners are automatically added to intersecting hems, and you can set the gap between these hems.
To use something other than the default bend allowance, select Custom Bend Allowance, and set a bend allowance type and value.
To add relief cuts, select Custom Relief Type, then select the type of relief cut:
If Custom Relief Type is:
- Rectangular or Obround and you select Use Relief Ratio, set a value for Ratio.
- Rectangular or Obround and you clear Use relief ratio, set values for Relief Width and Relief Depth .
- Tear select Rip or Extend .
Click .