ویدیوی رایگان 3D Print Fully Functional Loudspeaker را تماشا کنید

the fully functioning loudspeaker, seamlessly integrates the plastic, conductive and magnetic parts, using only 3D printers.
to see the original designboom article, see here:
designboom.com/technology/cornell-researchers-3d-print-a-fully-functional-loudspeaker/