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Open Source Completely 3-D Printable Centrifuge
These are the STLs to make an Open Source Completely 3-D Printable Centrifuge - the project includes a means to monitor the system in real time with a web cam to determine rpm and relative centrifugal force.TechForTrade
A free software license that requires that all work based on this must also be free software as in freely remixable and sharable by anyone under the same license but may be used commercially.
This design was from previous versions from Salil S. Sule.
Build instructions, videos, and software to use are available in the paper: Salil S. Sule, Aliaksei L. Petsiuk and Joshua M. Pearce. Open Source Completely 3-D Printable Centrifuge. Instruments 2019, 3(2), 30; open access
Abstract: Although there are commercial and open source centrifuges, the costs of the former and the required electricity to operate the latter limit accessibility in resource-constrained settings. There is a need for low-cost, human-powered, verified, and reliable lab-scale centrifuges. This study provides the designs for a low-cost 100% 3-D printed centrifuge, which can be fabricated on any low-cost RepRap-class (self-replicating rapid prototyper) fused filament fabrication (FFF)- or fused particle fabrication (FPF)-based 3-D printer. In addition, validation procedures are provided using a web camera and free and open source software. This paper provides the complete open source plans, including instructions for the fabrication and operation of a hand-powered centrifuge. This study successfully tested and validated the instrument, which can be operated anywhere in the world with no electricity inputs, obtaining a radial velocity of over 1750 rpm and over 50 N of relative centrifugal force. Using commercial filament, the instrument costs about U.S. $25, which is less than half of all commercially available systems. However, the costs can be dropped further using recycled plastics on open source systems for over 99% savings. The results are discussed in the context of resource-constrained medical and scientific facilities.
Based on design by Salil S. Sule.
Materials and methods
Only 3DP parts - see details: https://doi.org/10.3390/instruments3020030