... I've directly lifted and used a curved scissors built by John Preston: topic_465&forum_id=12&zoom_highlight=scissors- hope you don't mind John) I know the curved scissors is not prototypically correct but it does suit the roundy-roundy bit quite well. Bill: I want to keep the east side inside the oval to show the "Crianlarich feature" on the hillside behind the Station/yard complex and it hides the oval as well. See the photo for what I mean: reply.php [img]"> 1466_150605_430000000.jpg Or see http://canmore.rcahms.gov.uk/en/details/955485/ for a larger version. Alan: You're right. I am sticking templates together rather than developing the geometry and then inserting the crossing work. This matches my level of competence and I think it stillloooks like a trackplan rather than a trainset. I think I've made a huge step forward from the initial plan that I posted and would like to thank you for your comments so far and will welcome any further comments/criticisms/feedback that anyone may ...