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The multimachine is an all-purpose open source machine tool that can be built inexpensively by a semi-skilled mechanic with common hand tools, from discarded car and truck parts, using only commonly available hand tools and no electricity. Its size can range from being small enough to fit in a closet to one hundred times that size. The multimachine can accurately perform all the functions of an entire machine shop by itself. The multimachine was first developed as a personal project by Pat Delaney, then grew into an open source project organized via a Yahoo! group. The 2,600 member support group that has grown up around its creation is made up of engineers, machinists, and experimenters who have proven that the machine works. As an open-source machine tool that can be built cheaply on-site, the Multimachine could have many uses in developing countries. The multimachine group is currently focused on the humanitarian aspects of the multimachine, and on promulgating the concept of the multimachine as a means to create jobs and economic growth in developing countries. The multimachine first became known to a wider audience as the result of the 2006 Open Source Gift Guide article on the ''Make'' magazine website, in which the multimachine was mentioned under the caption "Multimachine - Open Source machine tool".〔http://blog.makezine.com/archive/2006/10/multimachine-open-source.html〕 ==Uses== As a general-purpose machine tool that includes the functions of a milling machine, drill press, and lathe, the multimachine can be used for many projects important for humanitarian and economic development in developing countries: * Agriculture: Building and repairing irrigation pumps and farm implements * Water supplies: Making and repairing water pumps and water-well drilling rigs. * Food supplies: Building steel-rolling-and-bending machines for making fuel efficient cook stoves and other cooking equipment * Transportation: Anything from making cart axles to rebuilding vehicle clutch, brake, and other parts. * Education: Building simple pipe-and-bar-bending machines to make school furniture, providing "hands on" training on student-built multimachines that they take with them when they leave school. * Job creation: A group of specialized but easily built multimachines can be combined to form a small, very low cost, metal working factory which could also serve as a trade school. Students could be taught a single skill on a specialized machine and be paid as a worker while learning other skills that they could take elsewhere. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Multimachine」の詳細全文を読む スポンサード リンク
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