MatterHackers refurbished 3D printers are fully functional printers that are certified and tested by the Pros here at HQ - plus, they come with a six-month warranty. These reconditioned, gently used 3D printers are the perfect source for makers, manufacturers, and educators that need high-quality 3D printers at an affordable price. Of course, all refurbished 3D printers come with lifetime support via email or phone. We realize that cost can be a factor for some buyers, that’s why we are excited to offer this option for everyone! Refurbished 3D printers come in two classifications; A Stock and B Stock. Don’t see the machine you are looking for? Check back often - we could be testing the affordable 3D printer of your dreams right now!