... Many thanks again. You forgot to make the white area transparent, so I have done it for you. Here are 4 signal boxes on the sketchboard -- normal, mirrored, flipped, mirrored and flipped. Mirrored means left-right reversal. Flipped means top-bottom reversal. Mirrored and flipped together is the same as 180 degree rotation, of course: 2_240423_390000000.png Here is the pad view in 4mm scale. The auto-sizing has worked fine -- the ruler shows 78.67mm (19ft-8in scaled). 2_240426_520000000.png Thanks again. Martin. posted: 24 Sep 2010 12:36 from: Martin Wynne Howard wrote: Why not make the steps a separate item? Then you can have them next to the large box, or straight out of the small box. Hi Howard, The idea of a library of building components is a good one. Users can then create custom buildings as required. For example the signal box part could be stretched to accommodate more levers, and then the unstretched steps could be attached. Items on the ...