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About the wood

The slats are from 65mm x 18mm (3/4"x 2 1/2") stock which is dressed 75x50 (2x3). If the wood that you use is slightly different in width and thickness, it does not matter. The concept will still work, however, make sure that the wood you choose is suitable for
exterior use.
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About the copper strap

Most sheet metal stockists and some plumbing firms have off-cuts of copper sheet lying around that you can usually obtain inexpensively. Some will even cut straps for you to the required width, whereas others will only sell bigger off-cut pieces that you will have to cut yourself, using a pair of tin snips.

If you are unable to get copper then any metal strap will suffice, as long as it is suitable for exterior use.
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Step one: Cut the pieces

Cut all the pieces required for the project to the sizes as shown in the plan and the materials list above.
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The Gap Equation
The distance of the gap between the slats is crucial to forming a good circle. The gap, or spacing between the slats, should be half of the thickness of the slat.
For example: The thickness of the slats in this project are 18mm (3/4").
Therefore: 18mm (3/4") divided by 2 = 9mm (3/8"), which is half of the thickness. Hence the gap or spacings between the slats in this project will be 9mm (3/8").
Note: The width of the slat has no bearing on the size of the gap, only the thickness and the total number of slats matter.
In this case, 12 slats are used to form the bucket sides.
Also important:
Ensure that the slats have square corners. Wood with rounded corners would require a different equation.
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