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nkrisctoday at 8:42 AM1 replyview on HN

If your goal is to reproduce it you could just make a cast of the fan and then use that to make a mold.

It’d be a bit tricky since you wouldn’t really have a convenient spot for a planar parting line, but should be possible.


Replies

Koffiepoedertoday at 9:19 AM

Also this would not account for cooling shrinkage, a very annoying problem when making high quality parts to spec.