Phys.Org has a report from the CES about the 3D printers on display. They had 30 of them, from very expensive to very inexpensive. 3-D printing set to break out of niche

One of them prints in sugar, in color. It is one of the more expensive one about US $100,000. The main users of that will be bakeries making wedding cakes.

But they showed a lot more of them. In fact the CES had more applications for 3D printer manufacturers than they had space for.

Bill Gill

C is not the speed of light in a vacuum.
C is the universal speed limit.