thought some of you might like this
auction ID # 7607539010

I'm guessing those are the outside dimentions, and it's really around 10" by 48", not that it matters much. I have two of the old century cirkut frames,and they work well. I used the design to make a couple of larger frames, as it's simple and works well.
Jamie

Ohhh, now shush. I didn't want anyone else to find that!