Archicad Tip - Cutting Holes in Morph

There are a number of methods to cut a hole in a Morph Element in Archicad. Such as by drawing: a box on a selected Morph, through the pet palette Pencil icon a rectangle on a selected Morph, then using Push/Pull a second Morph and extruding, and using the Boolean operation Subtract a Beam (or similar), and using Merge Elements or by using Solid Element Operations (but not demonstrated)