But microwaves solve a problem people have several times a day (low-labor way to get some hot food or drink). I'm having trouble envisioning a world in which an

But microwaves solve a problem people have several times a day (low-labor way to get some hot food or drink). I'm having trouble envisioning a world in which an average person needs or wants a new 3d-printed object on a daily basis, even if it were completely free.