Robin Ruth Designs 32 point Mariner's Compass Book and Ruler
 
5"x10" Acrylic Ruler and 28 Page 8 1/2"x11" Instruction Booklet, Transparency Angle Template, and 17"x22" pattern sheet w/ circle templates for finishing. Works with Original Skinny Robin 45° and Fat Robin 60° Mariner's Compass Book/Ruler.