I thought it would take a really, really long time for additive manufacturing to become commercially relevant, but I guess people are building rockets with it n

I thought it would take a really, really long time for additive manufacturing to become commercially relevant, but I guess people are building rockets with it now. It isn’t about to replace injection moulding and casting completely, but it’s wild that a file on thingiverse can actually be meaningful now. A toroidal prop could absolutely be shared and optimized there, and metal printers will rapidly improve and yield better products. I won’t have one in my garage any time soon (I can still hope), but I can already hire someone else’s printer online. I wouldn’t be surprised if toroidal plastic props for drones end up on there in a usable state fairly soon. What a cool thing — I wouldn’t have thought this would be possible in my life time when I was a kid.