ASA GF Filament Produced By Nature3d A high-quality filament combining ASA (Acrylonitrile Styrene Acrylate) with chopped glass fibre. The fibres add stiffness and dimensional stability and cut warping on large flat parts, while the ASA base keeps the UV and weather resistance ASA is known for. Prints at 240-260°C with a 100-110°C bed. Ideal for outdoor functional parts, automotive components, jigs and fixtures, and engineering projects that have to live in the sun. Glass fibre is abrasive — run a hardened nozzle.