Polymaker Glitter ABS Filament, Galaxy Teal 3D Printer Filament Heat Resistant 1kg - Twinkling ABS 3D Printing Filament, Strong & Durable, Dimensional Accuracy +/-

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.