Dwarf Gunners revisited

Remember these movement trays? I picked them up from warbases some time ago. The slots are 2p sized and the little holes fit a 5mm magnet. I finally got round to adding the magnets. Super glue didn't seem to work as the fit was quite loose, so I used a little green stuff on the bottom of the tray. I originally bought them in this 2x2 configuration because I thought most of the time I would be