General design procedure for free open-source hardware for scientific equipment

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Abstract

Distributed digital manufacturing of free and open-source scientific hardware (FOSH) used for scientific experiments has been shown to in general reduce the costs of scientific hardware by 90–99%. In part due to these cost savings, the manufacturing of scientific equipment is beginning to move away from a central paradigm of purchasing proprietary equipment to one in which scientists themselves download open-source designs, fabricate components with digital manufacturing technology, and then assemble the equipment themselves. This trend introduces a need for new formal design procedures that designers can follow when targeting this scientific audience. This study provides five steps in the procedure, encompassing six design principles for the development of free and open-source hardware for scientific applications. A case study is provided for an open-source slide dryer that can be easily fabricated for under $20, which is more than 300 times less than some commercial alternatives. The bespoke design is parametric and easily adjusted for many applications. By designing using open-source principles and the proposed procedures, the outcome will be customizable, under control of the researcher, less expensive than commercial options, more maintainable, and will have many applications that benefit the user since the design documentation is open and freely accessible.

Parametric Open Source Slide Dryer

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Keywords

open source hardware; open hardware; RepRap; 3D printing; OpenSCAD; customization; open science hardware; OScH; free and open-source hardware; FOSH; free and open-source software; custom designs; distributed manufacturing; P2P; P2P manufacturing; open design; scientific equipment; open scientific hardware; slide dryer


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