Panchroma Gradient Halloween Orange, Yellow and Magenta Neon PLA 3D Printing Filament, 1kg Spool, Easy to Print, AMS Compatible, Perfect for Toys, Props, Cosplay, Signage and UV Displays

The most engineering-minded consumer brand in this space. Polylite is their everyday PLA, PolyMax adds impact resistance, and PolyWood nails the timber look. They publish data sheets and actually explain what's in their formulations.