Polymaker Galaxy PLA Filament Hedgehog Makes Galaxy Red 1kg 3D Printer Filament, PolyLite Twinkling 3D Printing Filament

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.