Sand and capping the ends is how i've gotten my best bends out of the HF pipe bender. I've seen pictures of some pretty nice exo's made with that bender. I've used mine for a lot of things and they've come out nice but i'm buying a tubing bender to build my exo
![My Two Cents :twocents:](https://board.marlincrawler.com/Smileys/marlin/twocents.gif)