How level is "level" to the naked human eye? (lemmy.ml)

submitted 2 days ago by [email protected] to c/[email protected]

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I was putting up some wall decorations earlier today and was painstakingly realigning everything until it looked level to my eyes. It might be just a hair off, but if I don't correct it, I'll see the misalignment almost instantly and get bothered for the rest of time until I fix it. Has anyone investigated, or is there literature on the minimum perceptible angle from level to the naked eye?

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[-] [email protected] 2 points 1 day ago

Do you ever use a level to actually know it’s misaligned or do you just presume you immediately see all the misalignments?

this post was submitted on 11 Jun 2025

77 points (98.7% liked)

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