We're pleased to announce design completion of Prototype IV of the Compressed Earth Brick (CEB) Press. The machine has come a long way since Prototype I. The main changes since Prototype III - part of our Christmas Gift to the World of 2011 - includes redesign of the hopper, a stronger frame, the next iteration of the automation controller, and general streamlining of the design for fabrication. Below is a video history of the Liberator from 2007 until present : The CEB Story 2012 from Open S
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