Fast PETG Filament Manufacturers in 2026: Which Brands Actually Print at 300 mm/s
Why “fast PETG” is suddenly a category in 2026 Five years ago, PETG was a slow filament. The standard advice was 40-60 mm/s and 230°C, and pushing past those numbers produced stringing, under-extrusion, or gummed-up nozzles. Then in 2024-2025 every major printer manufacturer released machines that cruise at 250-400 mm/s, and PETG users discovered that…