Quote:
Originally Posted by freebeard
...3D printing a Mercedes dash knob that would have cost $500 OEM.
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But he likely could have gotten an aftermarket knob for $5. Any dealer marks up OEM parts way beyond realistic value, and "prestige" brands like Mercedes & BMW mark them up even further, because their customers generally have money and are willing to pay.
FWIW, I once made a replacement valve for a '54 Sunbeam Alpine by using a lathe to trim a Chevy (IIRC) to fit. And made a few Whitworth nuts & bolts, too - this was
long before you could just order them on eBay.