Customizable Heel Lift

A heel lift is a simple foot orthosis. It is used to correct a leg length discrepancy, which can cause all kinds of physical problems like lower back pain, scoliosis, improper gait, bad running mechanics, and increase your rate of stress fractures.
This component is part of an open source lab library, by the Michigan Tech's Open Sustainability Technology Research Group.

For similar see the Open-Source Lab How to Build Your Own Hardware and Reduce Research Costs