Extreme Sports Safety

Research and Brainstorm:

Detailed Annotated Drawing:

Prototype Version 1:

User Testing Round 1:

Questions: how do you turn it on? how do you turn it off? how would you use the device?

List of Improvements:

3D Model Version 2:

I spent two weeks trying to 3d print but they all failed... 

1st attempt: fusion bug printed all parts the same size.

2nd attempt: parts were warped.

3rd attempt: an accordion-like part was created.