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Special 3D printers can build solid, real-life objects from computer-generated designs. These printers have been around for a few years now. They lay down hundreds or thousands of very thin layers, which ultimately add up to the finished model.


One day, we'll have devices like this in our homes, to create small and simple everyday objects. Or not-so small and simple objects.

Clothing would be great, especially if it were recyclable. I can foresee a day when even electronic items could be fabricated at home. I can also imagine the day when it's time to build your new house.

The construction company clears the land, builds the foundation, and drives up the behemoth 3D Printer. Like our current printers have separate cartridges for different colors, this house-building printer would have hundreds of different substances available. All the work could be done by the printer.

The framing, the electrical lines, the water pipes, furniture and decor, even functional appliances like a washing machine or a television. Go ahead, tell me it can't be done. But in 60 years, when your great-grandkids are describing how they built their new house, you'll chuckle, nod, and say "Yeah, Etcher was right, that bastard."