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info on 3D digitizers

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  • info on 3D digitizers

    Dear Colleagues:

    The Biomechanics Lab at the National Institutes of Health is considering
    the purchase of a 3D digitizer for use in conjunction with our Vicon data
    collection system. We currently own a Bird 3space digitizer (Ascension
    Technologies). This unit is electromagnetic and sensitive to surrounding metal,
    a problem because of our raised metal floor. We are looking for units that can
    digitize at least a 2m envelope with an accuracy of around 1mm. We have looked
    into the Immersion Personal Digitizer (Immersion Corp.), but this unit is
    limited to a 17" x 17" x 17" volume (although they can build a custom model
    at greater cost). We have also looked at the Metrecom (FARO technologies) but
    are put off by the cost ($14,000).
    Our question to the BIOMCH-L is, does anybody have experience with a 3D
    digitizer that can met our requirements (not sensitive to metal, 2m envelope,
    1mm accuracy, and cost considerably lower then $14,000). Please send any
    response to

    As is traditional, I will be happy to compile and post a summary of responses.


    Tom Kepple