Click Mechanical Joint
Select the Plate Two assembly component as the
first element that will be used to create the mechanical joint.
The Mechanical Joint Definition dialog box
Select Spherical in the Type combo
and check the Set parameters as default option.
Select Rigid Support.13 as the
second component that will be used to create the mechanical joint.
Select Rigid Support.13.2.
Repeat steps 6 to 8 with the Rigid
Support.13.3 to Rigid Support.13.6 supports.