Make Part from Block PropertyManager
In assemblies, you can create parts from blocks in layout sketches.
To create a part from a block:
Click Make Part
from Block 
(Layout Tools toolbar).
Select one or more blocks from a layout sketch.
Make selections in the PropertyManager as described
below.
Click 
.
For each block, a part containing the selected
block appears in the FeatureManager design tree. The part name is the
same as the block name. Square brackets around the part name indicate
that it is a virtual
component. That is, it is saved within the assembly file, not
in external files.
You can open the part to
add features such as extrudes, fillets, etc., by right-clicking it and
selecting Open Part 
(context toolbar).
Selected Blocks
Selected Blocks 
. Lists the blocks you select.
Block To Part Constraint
Project 
. Creates
a part that is projected from the plane of the block in the layout sketch,
but not constrained to be co-planar with it. In the assembly, you can
drag the part in a direction normal to the plane of the block.
On Block 
. Constrains
the part to be co-planar with the plane of the block in the layout sketch.
Related Topics
Layout-based
assembly Design