"@hughes I have just tried again and the file opens OK but the opened image is just a mush of lines - if you could just save as a pdf that would be great"
"@hughes thanks for this and yes, I did unzip the file first and in fact can open it, but what shows on screen is a mush of lines and nothing that I can see useful.
-G"
"Hugues, this looks great and I have a laser cutter so wanted to try and make one, however, when I try and open the svg file in Coral Draw for some reason it appears to look like a "graphic bomb" has gone off and its hard to see what needs cutting.…"