Bring light into the darkness with the green colorFabb glow-in-the-dark filament. Glowfill has a beautiful, creamy white colour in daylight and changes to fluorescent green at night. The filament is combined with PLA/PHA and has a diameter of 1.75mm. We recommend a print temperature of 195°C to 220°C and a print speed of 40 to 100mm/s.