I’m new to this site, and I apologize if this information is already posted somewhere… I’m looking for a source for small mechanical parts. For instance, I’m trying to find grooved pulley rollers no more than 3-4 mm in diameter, and wheels a few mm in thickness and less than 10 mm in diameter. Could anyone suggest a source for small mechanical components?
McMaster, though there only seems to be one option (https://www.mcmaster.com/1254N11)
Considered 3D printing?
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Yes, so far I’ve been making almost all of my parts on a 3D printer. Unfortunately, it’s an XYZ Da Vinci Mini (basically one step up from a toy) and the results aren’t very precise. There are a few other obstacles as well-- for instance, I’d like the little wheels to have rubber tires, because their function is to ride smoothly up and down on rotating cams.