Interesting, but this still has the classic issue where the "printer has to be larger than the object printed." A few weeks back I got a tour of MIT's media lab, where they have a robot arm they're strapping to a bucket truck, in which case they have a mobile, 3D printer with a 100 foot wingspan.
This arm has an attachment for a polyurethane foam sprayer, a milling device, and a paint sprayer. In which case they can spray out a concrete form, mill it to get more precise (urethane foam is a bit imprecise), and paint it.
Then they want to get a series of these trucks to work together in a "hive" format... crazy kids.
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Interesting, but this still has the classic issue where the "printer has to be larger than the object printed." A few weeks back I got a tour of MIT's media lab, where they have a robot arm they're strapping to a bucket truck, in which case they have a mobile, 3D printer with a 100 foot wingspan.
This arm has an attachment for a polyurethane foam sprayer, a milling device, and a paint sprayer. In which case they can spray out a concrete form, mill it to get more precise (urethane foam is a bit imprecise), and paint it.
Then they want to get a series of these trucks to work together in a "hive" format... crazy kids.
The crazy bit is sending that hive to Mars to build accommodation units for settlers.