... : http://flashbackconnect.com/Movie.aspx?id=pu2F-wveux5-EWGYuqPd3g2 Here's the relevant frame from it: 2_270720_140000000.png But I'm thinking it would be useful in such cases to have a permanent marker of some kind for the CTRL-9 overall length peg position. The check rail markers should definitely remain visible, and I will fix that. Always something to get on with -- this is what I'm doing at the moment for those who like to use pre-cut timbers, and order them from suppliers: 2_261108_270000000.png I'm also looking at a new feature to add dropper connection markers and isolation gaps in the rails, following a suggestion from Ian. It's useful to pre-drill the dropper holes in the baseboard before laying the track. But also holes in the rails -- my preferred way of fixing droppers being to drill a 20 thou hole through the rail web, and use bare 1/0.5 solid wire (ex-telephone cables) soldered in as the dropper. Fresh clean metal in the hole means it requires only a ...