Depends on the 3D printer, and also what you like to do in your garage.

Or going to a scrap yard and finding the right tailgate your truck had in the beginning. Handmade, not poof into existence.

If you've got an old printer or two that you want to recycle, check out retailers like Best Buy, OfficeMax and Staples.

The very basis of selling 3D prints is likely to make money. And, if you’re trying to make money, you’ll need to know how ...