We came up with the idea of building a small-scale, low-cost waterjet cutter for the university, which is how we built our original prototype.” “As a result, as part of my work, we spent a lot of time cutting metal parts using hand tools. “At the time, we didn’t have access to a waterjet cutter,” he said. Lerea said that he first started working on the concept as an undergraduate at the University of Pennsylvania in 2012.
These machines, which carry a price tag of around $100,000 and occupy entire rooms, were something no artisanal maker could easily afford - unless that maker turned out to be Elon Musk. Waterjet cutting has been used industrially for decades, but until now it has remained out of most of the public’s hands.
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