... . It is indeed in the text version of DXF so I can read it, thanks for that. (If you change the file extension to .txt you can read it in Windows Notepad or wherever.) Unfortunately I haven't been able to extract anything meaningful from it. I tried opening it in half a dozen programs, and the only one which would even look at it was, er, Templot. I used the DXF import in the background shapes (you saved it in INCH units), and got this: 2_050214_470000000.png but no sign of a chair. It also included a cross-hairs target mark at (67000, 21486) mm which as you can imagine caused some indigestion. But even after removing that, the file still won't display anything in any other software. Which is puzzling because they ought to display at least the above, if Templot can. It does include a chunk of unreadable code at one place in the file, which means nothing to me. I know I am a long way from being up to date ...