Motorola will use 3D printing to produce a Project Ara modular phone.

Not so long ago on Habré was published the news about the modular smartphone from Motorola, in which you can upgrade individual modules, adding RAM, replacing the processor, etc., instead of replacing the whole device. So, Google Motorola has announced a partnership with 3D Systems, the manufacturer of Cube 3D printers, with the goal of developing "modular smartphones with customization capabilities that allow users to create the gadget of their choice."

It may well be that some modules, or housings for modules, can be printed at home, of course, you need a 3D printer for this. Well, or order a "printout" of such modules from companies that perform 3D printing on request. The main thing is that the 3D models of individual modules are accessible to all - then indeed, the user will be able to design his own modules, in any case, their design.
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Generally speaking, according to the Project Ara project, the hardware of this smartphone will be an “ecosystem” open to all. Needless to say, the large-scale implementation of the project is still far away, but important steps to achieve this goal are already being implemented.

Via dvice