Looking at this image: http://www.brickshelf.com/gallery/Philo/Misc/325771.png
I'd say there's two things you can do.
Option 1: Don't use the pin hole primitive but build it yourself and leave out the ring. Looks like that way it'll fit between the quarter circle discs.
Option 2: Don't use the quarter circle disc primitives but create them yourself to fit around the ndisc.
I'd say there's two things you can do.
Option 1: Don't use the pin hole primitive but build it yourself and leave out the ring. Looks like that way it'll fit between the quarter circle discs.
Option 2: Don't use the quarter circle disc primitives but create them yourself to fit around the ndisc.