... previous image, so will send a .BMP file as well, also will send a PDF file which shows clearly what the image should look like (or how it finished up having being drawn). Hi Brian, What drawing program are you using? Your GIF conversion is dithering the image instead of converting to the nearest colour, and for some reason the dithered effect is replicated in the BMP and PDF files. I've taken the liberty of doing a bit of work on the file, to create this plain colour GIF: 2_162020_230000000.gif I changed the dithered background to a plain concrete colour and blurred the edges of the 3ft hard standing. I added 4ft all round the pens to give an image size of 38ft x 23ft. It is this dimension which a user needs in order to scale the image on the sketchboard, not the dimensions of the object it contains. So I saved this file as cattle_dock_image_38ft_x_23ft.gif, setting the surrounding 1ft margin as transparent. Here is the result on the sketchboard. 38ft x 23ft at 4mm scale is 152mm x 92mm, ...