... , for 36" subs rad the substitution tangency point is falling within the switch front. That's easy to deal with by blanking* for a one-off, but it's not a very satisfactory solution for a standard building-block template where you want the template datum at the rail joint in the usual way. So I created a custom switch with a shorter front to match the substitution curve. Crossing angle turned out to be 1:5.22 RAM curviform. The actual turnout radius is 910mm. Box file attached below. 36_subs_00bf.png *( peg on EGTP, do> blank up to peg) regards, Martin. Attachment: attach_393_612_36_subs_turnouts_00 bf.box 194 posted: 4 Nov 2008 13:19 from: Gordon S Thanks for that Martin. I have a printing question now, but will raise as a new topic. Last edited on 4 Nov 2008 13:37 by Gordon S Parts of Templot Club may not function unless you enable JavaScript (also called Active Scripting) in your browser. Templot Club> Forums> Templot talk> Problem that has me ...