... flat-bottom, not so much in bullhead. Here's a close-up of the K-crossings (this is a double-slip): fb_movablek_dslip.jpg thanks to Mick Nicholson They are used when the crossing angle is flatter than 1:8. As one blade closes the other opens. Are you asking how to build it, or how to do it in Templot? Just start with a turnout flatter than 1:8 on the required curve, say a C-10, and then tools> make slip: 2_120717_440000000.png Being on a curve makes no difference. More about slips in Templot at: http://templot.com/companion/slips.php More information about switch-diamonds (movable K-crossings) in Templot: 2_120732_280000000.png cheers, Martin. posted: 12 May 2020 12:37 from: Jim Guthrie Mike, It would probably be easier to consider the formation as two turnouts back to back and overlapping. That might be an easier way to deal with the curves through the fornation. The diamond crossing is a switched diamond- ...