Curve Ruler Orange Green Blue (3 Pack) VERSATILITY: These transparent French curves are great for art projects or drawing applications, whether at home or in school or even use them to make alterations on sewing patterns. This set includes 3 curve rulers (12 x 3.5 - orange, 5.75 x 3 - green, and 5.5 x 2.75 - blue). VARIETY OF SHAPES: The smooth curve will help you make a perfect downward rounded curve. The holes in the centre give you more shapes to trace. They are also easy to hang up. GREAT GIFT: Give these colorful rulers as a gift to your children and artistic family and friends.