Insert another instance of the nested block.
Since Piston
Mechanism was linked to file during the scaling edit, the block
you insert is sized correctly.
In the PropertyManager, under Open Blocks, select Piston Mechanism.
In the graphics area, click to place the block
to the right of central arm, then click
.
A second instance of the nested block,
Piston Mechanism-1, is
added to the FeatureManager design tree.

Save the model.