I lost the four fingers of my right hand last November and, on the same day, I started figuring out how I was going to make something like this.

First up, this is a great looking design and pretty much follows the principles that I had conceptualised. Specifically, the arrangement of the 'knuckles' is a lot more natural than the other e-Nable designs.

However, there are some issues here...

1. I, like many similar amputees, still have the majority of my hand (right up to my knuckles) which means that the first finger joints of the prosthesis are going to be way forward of their natural position. Therefore the interaction of the fingers with my existing thumb will be awkward. This will be a common problem with accident victims because, during hand surgery, the palm area is relatively easy to reconstruct and surgeons always save as much of the hand as possible.

2. As mention, I still have my thumb yet I could see this being a fairly simple modification of the design.

3. Releasing the designs for specific printers seems to be out of kilter with the ethics of the e-Nable organisation; a cynic might suggest that 3DS is leveraging the physically impaired to sell more printers. Why not just release the designs in a common format?