Nylon Roll-Up Tool Roll Pattern

I need a production-ready pattern for a roll-up tool roll that will be cut and sewn in nylon / cordura / xpac. The end product should hold a set of hand tools securely, roll up neatly, and close with a single strap or buckle... (Budget: $30 - $250 AUD, Jobs: 2D Drafting, Adobe Illustrator, AutoCAD, CAD/CAM, Illustrator, Pattern Design, Pattern Making, Product Design, Sewing, Textile Engineering)