Prosthetic thumb extension

Hello,

I was born with a condition called poland syndrome. For me this means that I am missing a pechtoral muscle in my left arm and that the fingers on my left hand are about half the length of those on my right. Thanks to surgeries early in my life, my hand is about 70% capable and has never gotten in the way of me doing things. Others with this condition are not as lucky. With this in mind I'm working on developing a prosthetic hand that can make hands affected by Poland Syndrome 100% capable. This is my first step, a thumb extension, and more will follow

This file is based of my thumb, so it is for a diameter of about 14mm to 15mm