A control panel, 24 x 12 inches (scale size) suitable for use with a simulated OO (4mm:1ft) scale layout. Customise by cloning, deleting 'Track diagram 24 x 12.tga', renaming 'Track diagram 24 x 12 blank.tga' as 'Track diagram 24 x 12.tga' and drawing your own layout diagram on it using your graphics program, then saving. Add switches as appropriate - look for 'DDD MR switch ...'. For a longer panel, use two or more side by side with a part track diagram on each. 18 polys.