... not damaged.R. Attachment: attach_2456_3038_Bosmellin_12a.box 259 Last edited on 24 Jun 2017 10:42 by RichardS posted: 24 Jun 2017 11:00 from: Martin Wynne Hi Richard, Don't worry, you haven't broken anything. Click geometry> constant radius. For explanation, see: topic 1391 regards, Martin. posted: 24 Jun 2017 11:21 from: Martin Wynne p.s. that template wasn't aligned to the turnout on the left. Here is something which may be nearer to what you were looking for. Attachment: attach_2457_3038_richard_bosmellin _curve.box 334 posted: 25 Jun 2017 09:53 from: RichardS Thanks Martin. I'm in good company if Gordon of Eastwood fame has also seen the phenomena. Glad too that it's a known 'system feature.' My PC is quite old now and has a few moments so I expect the processor capability is lacking as you suggest. I've added RAM and minimized all the other demands on the processor but I know it's nearly time for retirement. (Although it should run Win10 it didn't do it very well and I reverted ...