FYI You can find the Eye Cue in the Sax catalog on page 388...product # 334
0759 $7.95 ea or $5.76 for 12+. Hope this helps.
Sax Arts & Crafts
> There is a neat book called for geometry and art (may even be cleverly
> titled "geometry and art") and a little device out of plastic called an
> Cue for discovering the geometry in compositions -