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Man builds concrete 3D printer in his garage

concreteprinter.jpg

[Andrey Rudenko] is building a house in his garage. Not with nails and lumber, but withconcrete extruded by his 3D printer. We’ve seen concrete 3D printers in the past, but unlike those projects, [Andrey] isn’t part of a of a university or corporation. He’s just a contractor with a dream. His printer is directly derived from the RepRap project. It’s even commanded by Pronterface.

[Andrey] started with an Arduino Mega 2560 based RepRap RAMPS style controller. His big printer needed big NEMA34 stepper motors, far beyond the current capacity of the stock RAMPS stepper drivers. [Andrey] got in touch with [James] at MassMind who helped him with an open source THB6064AH based driver. [James] even came up with an adaptor cable and PCB which makes the new drivers a drop-in replacement.
via Hack a Day

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