A Simple Tubing Bender

You can make the curved tube for a simple cold frame with this easy-to-build tube bender.

| February/March 2011

  • bender template
    This tubing bender can form the hoops for a cold frame. 
    PHOTO: TOM HYNES
  • tube frame
    These curved tubes provide the framework for a backyard greenhouse. 
    TOM HYNES

  • bender template
  • tube frame

I considered building MOTHER’s tubing roller — used in building the framework for a backyard greenhouse — until I considered the safety of my fingers while using the roller.

So I built a much simpler tubing bender from a pallet and some scrap wood. It worked just as I hoped it would, and I had 20 hoops formed in 25 minutes. I just clamped one end of the tubing to the pallet and manually bent the tube around the arch. It was a whole lot safer, too!

Tom Hynes
Wausau, Wisconsin






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