... with the turnout in the top left of the space. Scale is OO SF. regards Charles posted: 20 Aug 2011 11:30 from: Martin Wynne Charles Orr wrote: I should have added that the space available is 100cm by 100cm with the turnout in the top left of the space. Scale is OO SF. Hi Charles, It is not possible to fit a reverse loop in 1000mm x 1000mm in 00 gauge. Well it is, but the radius is silly -- 280mm (11") radius: 2_200628_320000000.png regards, Martin. posted: 20 Aug 2011 16:26 from: Charles Orr Hi Martin Many thanks for that. I thought that might be the case I can make more space available lengthwise. Can you tell me how you produced the previous formation? That is what I was trying to do and then adjust it until I had a sensible radius. (I have managed to successfully produce the scenic part of the layout) regards Charles posted: 20 Aug 2011 16:59 from: Martin Wynne Charles Orr wrote ...