To create a seam group:
If the Materials tab is not already open, on the Resources tabs, click Materials.
On the Materials tab, go to the Seams section.
In the Seams section, click . A menu is displayed.
Click New Group. An empty group is added to the Seams section.
The next step is adding seams to the group.
You can also create a seam group with an existing seam already included in the group. To do so:
In the Seam section, hover over the seam thumbnail you want to start the group with.
Click . A menu is displayed.
Click Create Group. A group is created including the selected seam.