This multi shaped tool is extremely versatile and can be used with any style of machine. It is available in three sizes: small, medium, and large. The circle shape is 1", Square is 1", Triangle is 1 3/4", Hexagon is 1" , Oblong is 1 3/4" and leaf is 1 7/8". Attach a gripping aid to the bottom for more stability. For more ideas on how to use the June Ruler, check out the following link. June Ruler Tutorial