5 3D printing projects that can save you money

You may have gotten a 3D printer just to make a few cool gadgets for around the house, but these five prints can actually save you money in the long run.
ZDNet

This device recycles plastic water bottles into 3D printing filament (and it's open source)

If you're in the market for a 3D printer, you'll find one here that fits your needs. The US Environmental Protection Agency reports that the US generated 35.7 million tons (roughly the weight of 17.8 ...