About 3D Boolean Operations

3D Boolean operations in 3D programs are not alwaysthe active view port to clear the Boolean operation.
reliable and sometimes fail at apparently simple tasks.If you have trouble picking the object you want,
Some of their other drawbacks are:press H after clicking the Pick Operand B button and
3D Booleans add greatly to system overhead. 3Dselect the object by name. So far, everything is
Boolean operations can create long thin faces in aworking predictably; you have walls with two window
mesh object. 3D Boolean operations can disruptopenings. However, if the scene is any more
smoothing groups and welded vertices.complex, the process would soon fail and you would
In their defense, some advantages of 3D Booleanget unwanted and possibly difficult to correct results.
operations are:(Do not forget to Edit/Hold for each operation.)
This features can be used to cut openings in curvedWe can create and position objects to be used as
walls. 3D Boolean operations can be used at anytimeBoolean operands to cut door and window openings
in the modeling process. 3D operands can befrom extruded floor plans. Perform an initial 3D
animated. Using 3D Booleans can be stressful, so useoperation and, upon completion, exit the Boolean
them when you have no other reasonable option.process by right-clicking in a view port before starting
Boolean operations in the latest years have improveda new operation.
in reliability, but are still resource intensive and shouldUse the Hold option in the Edit pull down menu
only be used when needed in the 3D Applications. Forbefore each 3D operation as a safety feature if the
Boolean Subtractions, such as those in the exercise,operation fails. We can simplify the amount of
select the object that will remain after theinformation that 3D Studio MAX has to keep track
process.With Boolean Union and Intersect, the orderof, therefore increasing the chances greatly of
you pick is not important.successful operations and freeing system resources
Prior to any of that kind of operations, always selectat the same time.
the Hold operation from the Edit pull down menu toIf you choose to work with the extruded floor plan
insure that you can use Edit/Fetch to return themethod of creating walls, an architectural scene will
model to its present state if the Boolean goes away.become very cumbersome with the many operations
Operand B should disappear and leave a clean openingrequired to punch door and window openings, and
in the wall.At this point, it is important to right-click inyou will soon deplete system resources.