Spend more time printing with high-quality 3D printer filament from IC3D. IC3D extrudes 3D printer filament in-house in Ohio, USA. Strict production standards for quality and cleanliness ensure tight tolerances in diameter and roundness. Quality is the top priority as each spool is hand checked, and packaged with desiccant. IC3D filament is extensively tested with success on a variety of mainstream desktop 3D printers utilizing various extruder designs and hot-end styles. The filament is also put through its paces in our own 3D printing service bureau. Every spool of IC3D filament is backed by a 100% SATISFACTION GUARANTEE.