... image zoom levels in Templot are far beyond anything normally needed in other software.) I'm not too sure what you are asking me about the grating panels? Obviously as you zoom out the smaller details are going to be lost. There are several resampling algorithms available for the sketchboard, but the very highest quality is just too slow to be practical. Here are a couple of sketchboard views. I set the trackplan in red so that the rails would show over the table. They line up with your rails perfectly: 2_022223_010000001.png 2_022223_010000002.png Here's the workpad view. Your dimension of 28ft-8.5in radius for the brick ring gives 229.67mm diameter in 4mm scale. I measured it with the ruler tool and you can see that it is spot on. 2_022223_000000000.png Many thanks again for your work on these images, they are way beyond anything I originally had in mind. regards, Martin. posted: 3 Oct 2010 10:52 from: Alan Turner How did you remove the background from the Bitmap for the work-pad view. I can do the GIF ...