Circle Rulers by Lori Holt of Bee in my Bonnet Circle Rulers by Lori Holt of Bee in my Bonnet Lori Holt of Bee in my Bonnet ~ Circle Rulers £29.50 Out of stock. A set of Circle Rulers designed by Lori Holt of Bee in my Bonnet. Each set contains 4 different size circle rulers: Ruler Dimensions: Mini - 2". Use with 2 1/2" square. Small - 4". Use with 5" square. Medium - 6". Use with 7" square. Large - 9". Use with 10" square. Rulers are made from clear acrylic. The free 'Lots of Dots' pattern as shown on the packaging and in the final photo can be downloaded for FREE on the Riley Blake website HERE.