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Tetra operates 45 chapters across Canada and the United States. Contact your local chapter (or head office in Vancouver, BC) to discuss your assistive device needs.

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Since Tetra was founded in 1987, its volunteers have completed thousands of assistive devices. Search our database to find examples of projects that might help you.

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If a custom Tetra device could transform some aspect of your life then complete our on-line form. It is easy to complete: no medical documentation is required, and devices are free.

Project of the day
Project of the day

Turning dreams into realilty, one gizmo at a time

A young man with balance problems loved cycling but found he kept tipping his trike – until Tetra Halifax volunteer Bill Rudolph fitted it with a fourth wheel, creating the Tetracycle. While he was at it, he also created a lower gear, to keep the client’s speed down, re-spoked damaged wheels, gave the whole bike a new paint job, and a professional logo.