Save Crane Base-1 and Upper Arm-1 as blocks.
In the FeatureManager design tree, right-click Crane Base-1, and select Save Block.
In the Save As dialog box, type crane_base (the .sldblk extension is added).
In the graphics area, select any sketch entity on Upper Arm-1.
In the PropertyManager, under Definition,
select Link to file and then click
.
When you select Link
to File, changes made to the original file propagate to all instances
of the block or nested block. When linked to file, you cannot edit the
block in the current document.
In the FeatureManager design tree, select Upper Arm->1.
The -> is
added to indicate that the file was modified by adding the link to file.