I'm fairly new to blender but have used 3d modelling programs before, and I've become baffled by a fairly simple problem.
I'm trying to model a pool table and I'm building the table bed.
I make a cube the right dimensions, and placed a cylinder at one corner.
I used modifiers to mirror the cylinder to four corners:
As I understand it, I should then be able to add a boolean modifier to the cube to subtract the cylinders, but I just can't seem to make it work. I can subtract the cube from the cylinders, leaving 4 cylinders with the cube corners chopped out, but nothing seems to work the other way.
What am I doing wrong?