If all else fails - Trace the pattern from the magazine onto 1/4" gridded paper. Then get a huge sheet of plain paper the size you want the finished project to be. Count the number of squares (or lines you'll need) on the original's length and width, and make your own "grid" of lines on the plain paper. Then "try to draw what's inside each grid box of the original onto the boxes on the plain paper. Uhhh... If your pattern is originally 5.5" wide -- and the plain paper is
40" wide - the lines need to be about 6" apart (actually an itsy bit over
6, but it'd be close enough.) Then make squares by drawing more 6" apart lines in the other direction. Easier to do if you've got one of those loooong quilting rulers Clear as mud?
I did this once to make a "Winnie-the-Pooh with his head in a hunny jar" quilt for my ggd... The pattern came from a wallpaper pattern I found online and downloaded the picture. I drew squares on it (the downloaded pic) and then drew what was in each square onto squares I'd drawn on the back side of some wrapping paper. It came close enough to look good, anyway. With an "ornament" pattern, it would be simple to get the curve parts lined up better after you get the squares drawn, but the overall design would be pretty close, I'd bet.
Just my "cheapo" 2 cents worth.