How to make Round Pocket Holes for the pool table by using the Polygons menu set Mesh menu Boolean Difference command.
How to do the pool table the way shown in class that is easier than the way the handout shows you how to do it. (For example: Selecting the faces of the polygon plane and deleting FOUR FACES or TWO FACES to make the pool table holes for the pool balls to fall through under the influence of the GRAVITY field. Pool balls are Active Rigid Body objects.)