I had a little project going on that involved bending 1/2” copper tubing. Unfortunately I wasn’t in a position to record those bends but I had some tubing left over that will allow me to demonstrate how to bend tubing without tools.
As is the case many times with my videos, this is a quick, one shot, no-edit recording, but it does show how easily this task can be accomplished. The “trick” is to fill the hollow area of the tubing with something like sand and seal each end. This allows the tubing to bend and not fold because by filling it you have removed the weak points.
If you take more care than I did in this recording you will be able to successfully bend your tubing in to endless patterns without crimping or flattening.

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