We have 3D printers that can take a description and print an object. Some 3D printers are capable of printing everything needed to make another 3D printer.
This reminds me of programming language implementations.
An interpreter takes a description (a program) and prints some output. A meta-circular interpreter is an interpreter written in the same language that it inteprets.
With programming languages we also have compilers that translate a program into another program that does the same thing but better (smaller and faster).
What's the equivalent for 3D printers? I think it'd be a 3D printer that prints another, more specialized printer. That specialized printer might work faster or produce higher quality output or work with materials that a general-purpose 3D printer can't work with.
The analogy isn't perfect but I'd like to see 3D printers that print more specialized printers.
Labels: speculation, structure
"Some 3D printers are capable of printing everything needed to make another 3D printer"
...including the microchips?
(this is the convenient critical item that seems to be forgotten when people talk about 3d printers. Given what we need to make a microchip, it suggests to me the real possibility that self-printing printers will never exist, and some other tech will supplant that ecological niche)
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