3D Speaker is a university project  that consists of making a real speaker, was a collaborative project, all the electronic parts were getting from another speaker that was bought for that purpose, then, from the beginning, sketching, going to prototyping with polystyrene foam and then 3D CAD modeling with SolidWorks and then printed on a 3D Printer Zortrax, then on  dry and wet with sandpaper get all the possible smoothness to finally paint it to get the details to make looks as a functional and finished product.