In Steve Wood's blog, he wrote "What I aim to show within the next few articles is how anyone without any qualifications, experience or knowledge in the podiatry field (that's me) can produce comfortable insoles using a completely free open source tool chain.
There have been many 3D printed insoles before, certainly the more expensive multi-material printers have been showing off their exploits for a while now, however with this new democratised power of the maker movement, I would like to show and share some new found skills."