To specify that a subassembly is considered adjustable:
In PathFinder, select a subassembly, then on the shortcut menu, choose Adjustable Assembly.
To specify that a subassembly is considered rigid:
In PathFinder, select a subassembly, then on the shortcut menu, choose Rigid Assembly.
Tip:
You must have write access to the subassembly to use the adjustable assembly functionality.
You can also specify that a subassembly is adjustable using the Options dialog box on the Asemble command bar.
When you specify that a subassembly is adjustable, you cannot in-place activate the subassembly using the Edit command.