We put Makerbot® Filament through some of the most rigorous testing in the industry to ensure it’s the easiest and safest filament to use with MakerBot® Desktop 3D Printers. So don’t cut corners with non-Makerbot filament – you may find yourself with a lot of wasteful clogging and printer jamming on your hands. Meet Polymer Bill MakerBot Filament is great for a reason: the Materials Lab, run by material science guru Bill Yackabonis (AKA “Polymer Bill”), rigorously tests our filament materials to ensure the highest quality product. Bill’s team tests MakerBot Filament using infrared lasers and high-powered moisture analysis machines to ensure the best results. Not Too Wide, Not Too Thin, Just Right “We’ve found that the optimal filament diameter is 1.75 mm, and we measure diameter down to the hundredth of a millimeter to keep that number consistent,” says Bill, who uses a multi-laser system to measure the cross-sectional diameter of MakerBot Filament. Holding the filament tolerance at 1.75mm keeps our filament from jamming your MakerBot Desktop 3D Printer and causing other kinds of print failures. “Having the consistency is key to making a quality print,” Polymer Bill reminds us. That’s Not All, Folks MakerBot Filament is manufactured in the US, and is fully optimized for Makerbot® MakerWare™ and MakerBot Desktop 3D Printers. Buy a spool of MakerBot Filament today.