... mouse action. More about the fixing peg here: http://www.templot.com/martweb/gs_geometry.htm 2. If I lay a length of straight track and apply a curve to it. How can I make that or any section of track 'live' if I return to it later to make further changes? Click on the template which you want. It will highlight in white, and its menu will appear on the left of the screen. Click the make the control menu item, or press M on the keyboard: 2_072045_400000000.png The background template is transferred into the control template so that you can make changes to it. And the previous control template is stored as a background template: 2_072045_410000001.png regards, Martin. posted: 8 Oct 2017 20:23 from: Tony McGartland Martin, thanks for this very informative reply. I spent a fair bit of the day exploring many commands. There is so much to learn, I'm being a disciplined as possible. Is it possible to add a straight bit of track to another to continue a curve with ...