The printer companies, engaged in fierce competition themselves, have also caught on to the trend.

The potential is not lost on printer companies.

The disappointment has not been as intense for printer companies, which never derived any profits from conventional film anyway.

The printer companies are fighting back as best they can.

Maybe it was when the printer companies kept raising the price of ink to ridiculous levels.

Everybody knows that the printer companies make most of their money selling cartridges, not printers.

But the printer companies found a way around that.

Other printer companies do not seem particularly worried.

The three leading 3-D printer companies all used different technologies, but none seemed simple enough to be modified for inexpensive home devices.