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    Stage Prototype
    Project Need Agility / Dexterity
    Created By Makers Making Change
    Capabilities Needed 3D Printing
    Time to Complete 4 hours
    Cost to Build $1.50
    Creative Commons License Attribution-NonCommercial-ShareAlike

    Overview

    This low-cost, 3D-printed handheld tool is modelled after the tennis ball and pen hack. The pen ball holder is a writing aid that provides an extra large surface grip for writing utensils.

    Usage

    The tool gently rests on the palm and the resting finger curl position secures it in place, requiring minimal effort and wrist movement to write and draw. The pen slot is 12 mm or 0.47 in. in diameter and can accommodate writing utensils as large as sharpie markers.

    Resources 3

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