Here is a straight-forward wind spinner vane. Besides 3d printed parts, it uses common CD/DVDs, 1/2" PVC pipe, and readily available 608 bearings. It moves beautifully in light wind. See Thingiverse.com for 3d printing details. https://www.thingiverse.com/thing:515... See another one here. • Dancing Spinner -Martin Music Credit: Happy Little Elves by Audionautix is licensed under a Creative Commons Attribution 4.0 license. https://creativecommons.org/licenses/... Artist: http://audionautix.com/