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Your donation helps JH Designs create free 3D-printed prosthetic arms, develop open-source technology, and bring practical engineering into classrooms.

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Join the Cause.Help Us Give Them a Hand.

Help Us Give Them a Hand

How we work

No unnecessary complexity
No over-promising
Clear, honest development
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Our mission

To make prosthetic’s more accessible, practical, and reliable through thoughtful design and continuous improvement.

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