... graphics editor -- transparent areas are normally shown as a grey chequerboard effect: 2_191556_360000000.png Here is the view on the sketchboard. The image scales to 73ft x 18ft, so I set it to 292mm x 72mm in 4mm/ft scale. I rotated it so that the steps are facing the station in the usual way, and the stove-pipe is at the rear of the box. I added a patch of rough ground colour to illustrate the transparent effect: 2_191557_010000000.png Here is the same, back on the workpad: 2_191557_320000000.png regards, Martin. posted: 20 Sep 2010 00:13 from: Brian Nicholls Martin Wynne wrote: The colours look much better without the coarse dithered effect. Here is the same, back on the workpad: Hi Martin, Thank you for your comments in the last response. I must say that does look really good on the 'workpad', I'm glad it turned out that way. It seems the problem I had has now been resolved, and this should not give you so much post work to do on ...