... F9, I liked it but can't remember if it's happened before. I have just tried a few more; F6-Curve, F4_Length, F8-Rotate. Cheers, Godders. posted: 16 Dec 2017 12:56 from: Martin Wynne Godfrey Earnshaw wrote: Am I just getting old and forgetful or did the following happen randomly or did I switch something on? Hi Godders, You switched on the skeleton mouse draw function. It also removes the outer edges of the rails, drawing the gauge lines only. 2_160748_150000000.png 2_160748_410000000.png In addition to the F keys shown, you can toggle it on and off quickly by pressing the semi-colon key; It's useful if the screen is getting cluttered, or the response is a bit slow. cheers, Martin. posted: 16 Dec 2017 14:52 from: Godfrey Earnshaw Hi Martin, Thank you, I was indeed going through all the function keys on the FK Chart, of course I didn't notice anything happening at the time. I like it, Thanks again. Cheers, Godders. ...