hand weaving thousands of tiny cores is the part i cant get over. my dad had a bead loom kit for making belts and i could never keep the pattern straight, gave

hand weaving thousands of tiny cores is the part i cant get over. my dad had a bead loom kit for making belts and i could never keep the pattern straight, gave up after twenty rows or so. were boards like this still assembled by hand in 1980, or did they have machines doing it by then?