3D-Fuel Wound-UP™ Coffee-Infused 3D Filament 2.85mm 500g A coffee filled 3D printing filament made using waste byproducts from coffee roasting to create a special 3D printing material with visibly unique print finishes. Wound Up produces products with a rich brown color and a noticeable natural grain. Smells like a luxorious latte while printing. Quality: All 3D-Fuel 3D printer filament is manufactured in our own production facility located in Fargo North Dakota. We have complete control over the manufacturing process and are able to ensure consistent quality for every spool. Diameter Tolerance: Variable diameter can cause big problems in your 3D printer. We use a multi-axis laser measurement system to control our filament diameter and ovality in real time during production. Every spool has the diameter and ovality measurements listed right on the box. All 3D-Fuel filament arrives on a durable plastic reel and is vacuum sealed with a desiccant packet to keep out any moisture. 3D-Fuel filament is compatible with most 3D Printers including Makerbot™ Lulzbot™ FlashForge™ Wanhao™ and many others.