Guidelines 4 quilting Triangle additions NWT

Guidelines 4 quilting Triangle additions NWT Precise Half and Quarter Square Triangles - No Math! Attach These to the Edge of Your Ruler and they Do the Math For You Triangle Additions Adds precise ¼” Seam Allowance Seam Allowance Additions for Half & Quarter Square Triangles Use these alone or on your layouts and projects Attaches securely to your 12" ruler with 3 suction cups. Simply line up to the finished size you want and the precise seam allowance for Half or Quarter Square Triangles is automatically added when you cut Built-in Finger Guards Made of virtually unbreakable polycarbonate Made in USA G3