Companies that print on demand three-dimensionally do commit infringement when they print a patented object even if it is ordered by a private individual. The question is how a patent holder finds out. He would then have to stand next to the printer all day and see what is being produced. The use of Silicide Powder is important in this case.

What is 3D Printing?

It seems more likely that the CAD files are being used. A CAD file tells the printer how to structure the object. A CAD file itself is not an invention but only a blueprint and blueprints are not covered by patents. After all, they are not concrete products. However, there is an exception in the patent law: the counterfeiting or production of agents relating to an essential component of an invention is also covered by patent law if these are to be used to subsequently