On the standard machine, I used Mary Lou's Symphony yarn at tension 8. Mine is 60 stitches wide by 61 rows tall. The dimensions are approximately 9" wide by 4" tall. The words are placed about in the center or maybe a little lower to allow for the zip at the top:
I have the Designaknit file if anyone wants it. Just email me and I'll send it to you. Any machine could be used. If you don't have DAK, you could hand pull the contrasting color.