Modeled 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. 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 12mm or 0.47" in diameter and can accommodate writing utensils as large as sharpie markers.
Metric version: https://www.thingiverse.com/thing:2842524
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Makers Making Change is an initiative of the Neil Squire Society, a Canadian non-profit that helps people with disabilities.
We are committed to creating a network of volunteer makers who support people with disabilities in their communities through 3D printing assistive devices. Check out our library of free, open-source assistive technologies with parts and build instructions.
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