... straight track(s) through the shed. And then link them to the approaching tracks using the make transition functions. That may require some trial and error with the dummy templates to get the desired result. More about make transition here: http://templot.com/martweb/info_files/make_trans.htm Your half-diamond still has a small mismatch with the connecting diagonal track. However there is not much point in fixing that yet, because you also have several other mismatches in the same area which need fixing first: 2_271632_520000000.png 2_271632_520000001.png 2_271632_520000002.png I'm going to make you a video showing this stuff, but I can't do it for a day or two, sorry. I am fully occupied tomorrow. regards, Martin. posted: 28 Dec 2014 00:35 from: Andrew Duncan Hello Martin Thanks for your reply. The tracks that I was referring to are in the box outline below. I've a feeling the box file I loaded earlier was the wrong one which made a nonsenseundefined of what I was trying to explain... 2787_271914_510000000.png So apologies for ...