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3D computer rendering are very CPU intensive and the best way so speed up slow render problems, are usually to distribute them on to more computers. Render farms are usually very large, expensive and run using ALLOT of energy. I wanted to build something that could be put in my home, not make too much noise and run using very little energy... and be dirt cheep, big problem? :) no computer stuff cost almost nothing these days, it just a matter of finding fun stuff to play with.