Many people pointed at some obvious mistakes and shortcomings of this study:
- Shipping cost is not included
- It takes time to ship 3d printed object from Sculpteo which is not RAPID prototyping
- There are many cheaper DIY 3d printers then the ones included in the study
- I personally would add: WHERE IS THE FUN IN ORDERING SOMETHING FROM A COMPANY!?!?!? DO IT YOURSELF! it is rewording beyond money ... and you will learn new things ...
Blog pointing at some errors: