I carved this out of some scrap some years ago on the company mill:
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Each of the small cubes is 0.750 +0 -0.005. :-)
It's been sitting on my desk for years - yesterday one of the new guys in
the shop came into my office and expressed some interest in it. I casually
said, "I'm thinking of seeing if I could get anything for it on Ebay."
The guy offered me $20.00, and being out of money until payday, I
immediately said, "SOLD!" so I ate that evening. ;-)
Nothing earth-shattering, but I thought some might be interested to see
it; most importantly, having posted some metal content that I've done with
my own hands (on the shop's end mill), I now feel less like some kind of
intruder. ;-)
Cheers!
Rich