Filamentive glass 1 75mm 3d printer filament 500g spool filamentive glass p filamentive glass is a crystal clear strong flexible and easy to print filament for 3d printing p p these characteristics together with the high degree of gloss very low water absorption practically no shrinkage or warping very good interlayer adhesion and flame retardant properties make it a very special filament p p glass filament is fca food contact acceptable approved p filamentive 3d prin