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device tag: wheelchair

Whill Fi joystick interior

Published December 5, 2025 by Liz Henry

The Whill powerchair joysticks have a hard plastic insert inside a softer rubber cap that fits in a person’s palm. This plastic insert slots onto a metal post, so that it can be rotated and click into place to orient the palm control differently. A common problem with the joystick is that the plastic interior wears away in the spot where it sits on the metal post, causing the joystick to slide around unpredictably.

This 3D printed replacement part is easily made from PLA filament and can be popped into the rubber joystick cap!

https://www.thingiverse.com/thing:7193879

view of the inside of two plastic joystick interiors, one with holes in it and a worn out inner slot; the other freshly printed, solid, and robust

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Hook for unitrack mount

Published November 3, 2025 by Liz Henry

A 3-D printed hook for Unitrack mounting system on Permobil and other powerchairs. Useful for hanging bags, backpacks, or other accessories. It requires the rectangular nuts that slide into the unitrack rails, to secure it with four bolts.

https://www.thingiverse.com/thing:7150714

Recommended material: PETG (80/250) filament

3d model diagram of a hook

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OpenXwheel

Published August 6, 2025 by Liz Henry

StandingWheelchair – An open design of a manual standing wheelchair for people with paralysis

Regular standing using an assistive device after paralysing spinal cord injury (SCI) has numerous benefits including improved cardiovascular health, increased muscle mass and bone strength, and avoiding life threatening conditions such as pressure ulcer. It also significantly improves self-esteem and psychological health.

Current standing wheelchairs, however, are too expensive for most SCI individuals. Hence, we have developed an open source standing wheelchair to improve the life of people with paralysis in low- and middle-income (LMI) settings. Careful considerations were given to simplify the design to avoid complex manufacturing process. It costs only around $166 in a LMI country to develop this standing wheelchair!

https://openmedtech-lab.github.io/#OpenXwheel

GitHub repo: https://github.com/OpenMedTech-Lab/OpenXwheel

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