... (160.71m radius, which scales to 1847mm at 1:87) which often doesn't match on old drawings: 2_171129_510000002.png Unfortunately the drawing has distorted a little with age, so it's not possible to scale exactly all over. The 260mm-wide switch timbers appear to be spaced at 750mm centres (prefix with a letter m in Templot to enter mm dimensions directly when asked for inches): 2_171129_500000000.png And the same spacing at the V-crossing. I did a little bit of timber shoving to get the wider 350mm timbers: 2_171129_500000001.png Over to you to carry on, overlay the opposite hand, split into partial templates, create the middle V-crossing, shove all the timbers --- There is a video available for tandem turnouts which will help you get started on all that: http://www.templot.com/martweb/videos/3_way_tandem.exe (Yours is a 3-throw turnout, not a tandem.) There is also a Jing video for adjusting radius/entry straight which you may not have seen-- allow time for the video ...