We cannot get the original source but from Pinterest, if they are your work, contact us to give your credit, together with your tutorials. From the image, it looks there are make from PVC pipe roof or rain gutter, but anything you can find at hand will work perfect such us plastic bottles.
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Stack concrete or add concrete or pebble around the tire to make it more solid.
Fill the tires with potting soil/dirt and plant flowers in the top. If you don’t have a way to cut the tire, no problem, just run the supports along the outside of the tires and screw them on instead.Preview Changes