You can create nested blocks by creating and saving a block that includes multiple blocks. Use nested blocks to:
Insert a single block as opposed to multiple blocks.
Edit multiple blocks simultaneously.
Shorten the list of blocks displayed in the FeatureManager design tree.
Manage scale factor.
In the FeatureManager design tree, press Ctrl and select cylinder-1 and piston-1.
Right-click and select Make Block.
In the PropertyManager, cylinder-1 and piston-1 are listed as Block Entities.
Click 
, and in the FeatureManager
design tree, right-click Block2-1
and select Save Block.
In the Save As dialog box, type piston_mechanism (the .sldblk extension is added).
Click Rebuild
(Standard toolbar).
Right-click Block2-1, select Properties, and type Piston Mechanism for Name.
Piston Mechanism-1 is
added to the FeatureManager
design tree.
Save the model.
