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Thread: Open Source 3-D Printed Nutating Mixer

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    Supporting Member MOST's Avatar
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    Open Source 3-D Printed Nutating Mixer

    As the open source development of additive manufacturing has led to low-cost desktop three-dimensional (3-D) printing, a number of scientists throughout the world have begun to share digital designs of free and open source scientific hardware. Open source scientific hardware enables custom experimentation, laboratory control, rapid upgrading, transparent maintenance, and lower costs in general. To aid in this trend, this study describes the development, design, assembly, and operation of a 3-D printable open source desktop nutating mixer, which provides a fixed 20° platform tilt angle for a gentle three-dimensional (gyrating) agitation of chemical or biological samples (e.g., DNA or blood samples) without foam formation. The custom components for the nutating mixer are designed using open source FreeCAD software to enable customization. All of the non-readily available components can be fabricated with a low-cost RepRap 3-D printer using an open source software tool chain from common thermoplastics. All of the designs are open sourced and can be configured to add more functionality to the equipment in the future. It is relatively easy to assemble and is accessible to both the science education of younger students as well as state-of-the-art research laboratories. Overall, the open source nutating mixer can be fabricated with US$37 in parts, which is 1/10th of the cost of proprietary nutating mixers with similar capabilities. The open source nature of the device allow it to be easily repaired or upgraded with digital files, as well as to accommodate custom sample sizes and mixing velocities with minimal additional costs.

    Open Source 3-D Printed Nutating Mixer-mixer-nutating.jpg

    Watch it in action:


    For more information, visit the project's page on Appropedia:
    https://www.appropedia.org/Open_Sour...Nutating_Mixer

    Download the paper here:
    https://www.academia.edu/34589801/Op...Nutating_Mixer

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  2. The Following 6 Users Say Thank You to MOST For This Useful Post:

    Altair (Nov 17, 2019), IAMSatisfied (Nov 22, 2019), Jon (Nov 25, 2019), Miloslav (Nov 24, 2019), rlm98253 (Nov 21, 2019), Seedtick (Nov 23, 2019)

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    Altair's Avatar
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    Thanks MOST! We've added your Nutating Mixer to our Miscellaneous category,
    as well as to your builder page: MOST's Homemade Tools. Your receipt:




    2000 Tool Plans

  4. The Following User Says Thank You to Altair For This Useful Post:

    Gregraper33712 (Nov 22, 2019)

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    Elizabeth Greene's Tools
    That's fantastic!

    Is there a wish-list of open-source lab kit that would be helpful to have? I'd be interested in seeing how I could contribute to that.

  6. The Following User Says Thank You to Elizabeth Greene For This Useful Post:

    MOST (Nov 25, 2019)

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    Supporting Member MOST's Avatar
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    MOST's Tools
    Many scientists have started working on this - here is one request list: How to Contribute | Tekla Labs
    and another for just 3DP stuff: https://www.appropedia.org/Requests_...ate_technology

    Thank you!



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