Polymaker PLA Pro 3D Printing Filament Purple 1KG, High-Impact Tough PLA, Fast Printing up to/s, High Speed New Formula, Easy to Print on Most FDM Printers, No Enclosure Required

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.