Today, large agricultural manufacturers have centralized control over the market, and most commercial tractors are built with proprietary parts. He grew certain that self-sufficiency relied on agricultural autonomy, which could be achieved only through free access to technology. So, with an understanding of mechanical engineering, Jakubowski built his own tractor and put all his schematics online on his platform Open Source Ecology. That tractor Jakubowski built is designed to be taken apart. Founded by Stewart Brand, the publication had the slogan “Access to tools” and was famous for promoting self-sufficiency.