Click Volumes Extraction
.
The Extract Volumes dialog box appears.
Select Protected volume extraction
,
if not already selected.

Leave the default option, Body, in the Extract From
drop-down list.
Select Body.1 that contains the geometry of
Solid Functional Set.1

For the purpose of this scenario, if the Holes
option is selected, the extract volume will include Hole.3; if
Protected is selected, the extract volume will include Protected Prism.2. Make sure
Holes is selected and that
Protected is not.
Click OK.
Right-click PartBody and select Hide/Show.
Right-click Body.1 and select Hide/Show.
The resulting geometry in Extract Body.2 (Solid
Functional Set.2) can be used by an NC program to generate the
drilling instructions to create the hole in the product.
