Steffen Juul wrote: > > Tom Bugs also mention that difference. I wonder if it's a matter of > either using thicker panels or adding a suitable spacer to the shaft > on the backside of the panel. Yes, you can put washers on the back of the panel. You can see this in the 2nd pic on this page: http://burnit.co.uk/sdiy/index.php?page=boxotrix Seb