this post was submitted on 11 Apr 2025
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I don't know of any videos, but the concept seems to have gotten pretty popular in the last year or two. I'm in the 3D printing community, and there's pretty frequently a "magic floating <whatever>" in the "popular" section.
I assume the most difficult part would be determining what size magnets to use to achieve the desired float height. The rest should (in theory) be relatively simple; the magnets' natural characteristics do all the hard work.