Use the Instance menu to do the following:
Create instances of parts in the model and add them to the assembly. The part can be either a native part, a part that was imported, or an orphan mesh.
Create a linear pattern of part instances.
Create a radial pattern of part instances.
Translate selected part instances along a specified vector.
Translate selected part instances along a specified vector until they are a specified distance from another part instance.
Rotate selected part instances through a specified angle about a specified axis.
Replace a part instance with a second part instance.
Convert any position constraints to an absolute position.
Merge or cut part instances.
