These dodecahedrons with bumps could also be used for rope making of not for the absense of mechanical wear.
https://eukaryotewritesblog.com/2022/08/04/fiber-arts-myster...
This is an important point, and I don't mean to diminishing it. But there was quite obviously a huge analog calculator cottage industry, too. https://en.m.wikipedia.org/wiki/Antikythera_mechanism
Absence of evidence is not evidence of absence.