A big Olá, from Portugal!
Well, I just saw this Inexpensive Soft Metal Bending Tool, and I though it can be a good Plastic/Cardboard/whatever Bender, too! :D
Inexpensive Soft Metal Bending Tool
This project may not seem extremely exciting but it is very useful and satisfying to create other parts with once it is finished. It IS exciting, get EXCITED! If you are a true Maker, you are already teeming with excitement over the fact that you are reading another instructable and expanding your mind's quiver.