About this 3D model
You cannot use the digital files to manufacture these parts; Some details on the 3d models have been removed,and some walls is too thin; That means if you 3d print these parts, they won't work. But you can use the 3d model to design other parts; it is a diy craft kit to help make some interesting product. And you can modify the 3d models too. More: https://www.tanerxun.com/