I build a tubing bender that bends 1.25" pipe in this report, but you can use any size die for this project, everything from 1" to 2.5" can be used with the bender desig The most expensive part in tubing benders are the two dies that do the bending (80% total cost). I have discovered a way to make low-cost dies with plate steel and some off the shelf part Learn How to Design and Build Your Own Professional Pipe Bender! Everything from conceptual designs, sourcing all the materials, to building your own tubing bende This project cost me less than $70 to build. All Material Copyright 2007 www.Tubing-Bender-Project.com All Rights Reserved Most tubing benders cost upwards of $500, and an additional 75$ to ship! My low-cost method of making bending dies. As a mechanical engineering student at Cornell University, I earned an "A+" for this tubing bender senior applications projec Pipe Bender Project - Professional Bender Made Easy