... computer results with a degree of suspicion. Of course we are very luck to have Templot which does all the number crunching for us so we don't even have to think about it, much. Regards Tony. Last edited on 9 Oct 2017 23:36 by Tony W posted: 15 Oct 2017 13:37 from: Bryan Hardwick OK, I think I have got there, I haven't managed to get rid of all the duplicate rails from the diamond and the two turnouts, but the basic idea is working:- 3469_150822_020000000.jpg The only problem now is that I have inadvertently created the whole thing as T-55 gauge rather than OO, so that when I print it out it is 25mm (1 ") gauge, can I changed the whole thing to OO or do I have to start again? I have tried making each part the control and selecting a new gauge, but I just replace that template with a new different one! I am still having trouble with what gets written to the storage box and what is transient on the ...