... short for an inside slip, other than perhaps in industrial sidings. At those angles it would be more usual to have an outside slip or a half-scissors. Please if possible post your .box file with questions, otherwise I have to guess what it is exactly that you are trying to do. I think you are making a single line branch junction curving away from the outside of curved double track. In such locations a half-scissors is the most likely, rather than a slip. Something like this perhaps: 2_230728_020000000.png Or maybe something more spacious and easier to build: 2_230743_340000000.png If you post your .box file I can be more specific in replying. cheers, Martin. posted: 24 Dec 2020 14:26 from: Graham Long Graham Long wrote: I have started making a single slip. My initial step was to "make irregular diamond at intersection". The setup is a main road of 6000mm radius with an adjacent loop road on a radius 6044.67. The ladder turnout was a 1:8 with a resultant turnout radius of ...