... certain I scaled the drawing properly when adding it to TEMPLOT. posted: 17 Jan 2011 16:54 from: Martin Wynne Franz wrote: It was hard to find, but eventually I discovered the Heel offset is 130mm Hi Paul, Well done in spotting that -- I thought it was a smudge. Using that dimension to create a custom straight switch, it actually works out quite well. Including the radius (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 ...