... tracks to cross over each other. Usually at any one time you are working on only one of the levels, so you could if you wish group and save each level in its own BOX file and load only the one you are working on at the time. Likewise when printing the construction templates you can group them and print only the grouped templates. If you want to go further, you could split the templates and set the lower ones as centre-lines only, or as rails only (no timbering): 2_202356_320000000.png Remember to return the lower tracks to normal before printing the construction templates for them. In diagram mode output, as here on the sketchboard, templates are drawn in the order in which they are listed on the storage box. So you need to move the upper-level tracks towards the bottom of the list. You can also differentiate the levels by means of different marker colours: 2_210001_540000000.png Also in diagram mode templates set to centre-lines only are not shown, so you could that way do something like this: ...