You can create new groups in the rebar catalog by copying an existing group and the definitions contained in it.

1. On the File menu, click Catalogs > Rebar catalog to open the Rebar catalog dialog box.
2. On the left side of the dialog box, select a group, and then click Copy.

   Alternatively, you can right-click a group and select Copy.

3. In the New group name dialog box, enter a name for the new group, and then click Copy.

   Tekla Structures adds the new group to the catalog.

4. Add, modify, and delete definitions contained in the new group as needed.
5. Click Save to save the changes to the rebar catalog.

1. On the File menu, click Catalogs > Rebar catalog to open the Rebar catalog dialog box.
2. Select the group that you want to modify.
3. Select all definitions in the group.
4. In the property area on the right side of the Rebar catalog dialog box, modify the group properties.

   For example, you can change the grade or cranked length type. You may also want to add tags to all definitions in the group.

5. Click Save to save the changes to the rebar catalog.

You can delete groups and the definitions contained in them from the rebar catalog.

1. On the File menu, click Catalogs > Rebar catalog to open the Rebar catalog dialog box.
2. Select a group from the list on the left side of the dialog box.
3. Right-click and select Delete.
4. Click Yes to confirm the deletion.
5. Click Save to save the changes to the rebar catalog.