... the exception of rail inclination angle which I set to zero. Is this correct? Hi Ken, Yes, you can leave them unchanged. At present those other dimensions are used only in the DXF 3D export function to simulate the rail. A further question. How do you generate a url such as the one in your response? :- message 4981 Which points to a single message in a thread. Right-button click on the link provided for the purpose, and then Copy Link Location or Copy Target Location: 2_062333_480000000.png Then paste it into your message. There is a further trick. If you edit the URL to be view_postx instead of view_post, you get a simplified page display: message 4981 regards, Martin. posted: 7 Aug 2010 12:04 from: kenbec Hello Martin, Thanks, Right-button click on the link provided for the purpose, and then Copy Link Location or Copy Target Location: Then paste it into your message. There is a further trick. If you edit the URL to be view_postx instead of ...