Changing a Boolean Operation into Another One    

This task shows you how to change a Boolean operation (Add, Assemble, Remove and even Union Trim) into another one and this, very quickly. This new capability largely increases your productivity, since it is no longer necessary to restructure your design from scratch.
Open the Intersect1.CATPart document.
1.  The initial part is composed of three bodies. Assemble Body.1 to Part Body.
 

2.  Remove Body.2 from Assemble.1.You obtain Remove.1:
3.  Fillet Pad.3 's top edge.
4. Select Remove.1 and the Remove.1 object -> Change to Assemble... contextual command.

The  Change to Add...contextual command is available too.

You obtain Assemble.2. Note that the fillet is still defined on Pad.3's top edge.

5. Select Assemble.2 and the Assemble.2 object -> Change to Union Trim... contextual command.

The  Change to Add... and Change to Remove...contextual commands are available too.

You obtain Trim.1:

6. Double-click Trim.1 and select the cylinder's top face as the face to keep. You obtain this part :

 

 

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