Sew Mate Seam Maker Set The Pattern Making & quilting Seam Maker SetWe just got in these nifty new seam makers! I wish these were available when I was at fashion school! They save so much time when adding seams to your quilting or garment patterns. Seam makers are used to add seams to your patterns either for pattern making or quilting. They are especially handy for adding seams around curves. How to Use itSimply put your pencil through the center of the seam maker. Then position the pattern in the groove of the seam maker. As you run the seam maker along the pattern you will be left with a perfect seam. What is includedThey come in a pack of 4 in the following sizes 10mm, 7mm, 5mm & 3mm. A great tool to speed up your pattern making! Specs- This handy tool set allows you to add different seam allowance to any shape of template.- Template thickness of 0.3-0.6mm is suggested.