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Great post and summary.
It tracks with my experience(far less than yours) with 3D printing.
I recently put my kids through a 3D printing course that mostly consisted of how to design and build STL files. While we haven’t bought one for around home yet, our local library(where they conducted the course) does offer a 3D printing service which we’ve been using to get them started before we commit to a printer purchase.
We’ve got a few at work
I reckon “Amara’s Law” may apply here where we overstimate the value of technology in the short term but underestimate the value of it in the long term.
As filament material quality and utility continues to improve along with printer resolution and 3D design software interface simplicity and intuitiveness then we will see accelerating growth.
3D scanning to printing is already possible, but 3D scanning of a broken part that uses AI/ML to reassemble and print it will be quite useful in both civilian and military contexts.
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