9 hours ago
1
With promo code "HDUS02", this Dingsun 3D Firefly PLA filament 2-Pack drops to $18, down from $62. Shipping is free from a U.S. warehouse. The glow comes from strontium aluminate particles that absorb light and slowly release it as a glow that can last several hours after charging, with green filament producing the brightest and longest-lasting effect among color options. This deal ends October 16. Buy Now at AliExpress
Features
- Made from solid PLA material
- 0.07" filament diameter, the standard size for most FDM 3D printers
- Available in 0.55-lb., 1.1-lb., or 2.2-lb. spools
- Glows in blue or green after exposure to light
- Shelf life of 1 year
