Most used tools in pattern making ! Printable rulers or digital rulers made for Adobe Illustrator. These curved rulers - Hip Curve & French Curve, are used anywhere a slight curve is needed. Make adjustments to patterns at the hemline, neckline, armholes, hips, waist, lapels and more. These rulers are based off the Fairgate - Vary Form Curve Rulers (aluminum) and are to scale, in both INCHES and CM. What's included: - both rulers in INCHES & CM - original AI files (Illustrator) - SVG files - PDF A4 printable rulers How to use: for pattern makers familiar with Adobe Illustrator 1) Open rulers and copy & paste them into your workspace. 2) On your pattern, place your vector points. EX. from high point shoulder to armpit. 2) Place rulers to outline the curved line you want (matching the vector points). 3) LOCK the rulers in place. 4) Use the curve pen tool to curve your lines. 5) UNLOCK rulers to move out of place. ** Please note** ** This is a digital product, nothing will be shipped to you ** Files are available for download immediately after purchase ** These files are written only in English ** Files cannot be copied, sold or given away for free in accordance with copyright law ** There are no returns or exchanges Feel free to ask me questions through our ETSY account ! I'm always happy to help :)