SpaceX grid fin coffee table. Looks like Elon Musk finally built something useful.
Fullsize image: https://diqn32j8nouaz.cloudfront.net...e_fullsize.jpg
https://diqn32j8nouaz.cloudfront.net...ffee_table.jpg
More: https://en.wikipedia.org/wiki/Grid_fin
Previously:
https://www.homemadetools.net/forum/...443#post131718
https://www.homemadetools.net/forum/...586#post128288
