alt Hacker NewsNot OP but from my experience, the LEGO I had in a bin since I was a kid still fit perfectly with LEGO I'm buying for my kids 30 years later. That's unbelievably impressive to me.
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ambicapter • yesterday at 3:44 PM
Especially when most LEGO storage is done is gigantic bins of all kinds of pieces, periodically hand-tossed in order to find the one piece you need :)
More anecdata.
Lego from my youth, which was a hand-me down at the time, doesn't fit well with new lego. So it might be 40 years old, (which seems like a long time until you actually reach that age!)
I think it's more likely do to plastic aging than the original tolerances though.