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Auto Spary Bottle

Target User

Elderly users (65+) with with weak grip or limited mobility

Design Goal

Make cleaning easier, safer, and less tiring for seniors

Timeline

February 2025 – March 2025 (10 weeks)

Skills

(Design) Figma, Procreate
(CAD) SolidWorks, Blender
(Visualization) KeyShot
(Electronics) Arduino

A solo project designing an automatic spray bottle for elderly users.

I tackled challenges like weak grip, joint fatigue, and poor tool usability by developing a one-touch, ergonomic, low-effort cleaning solution.

The process covered user research, concept development, mechanical prototyping, and electronics integration.

© 2025 by Chang Gao (Selina)

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