... information (dimensions) regarding the distance from the outer (0 and 12ft length horizontal edges, and the (0 and 3ft length vertical edges) of the baseboards to the rails (either nearest rail to the edge, or track centre-lines). This would be required the rail distances from both vertical and horizontal edges to be defined. Of course, the ideal solution is a flat scanned plan image with the baseboard boundaries marked on it, plus the sk81 file to align it. All the best, Brian. 1853_281520_420000000.png posted: 29 Sep 2014 15:09 from: Brian Nicholls Hi Simon, A quick question or two. 1. Regarding the lower left double tracks at the bottom of the plan, the adjacent track centre spacing is at 52.668mm rather than the usual 50mm, do you what this changed to 50mm? 2. If you want the adjacent track centres of the double tracks changed to 50mm, which track should remain as is, a). The track nearest the lower edge of the baseboard? b). or ...