Obsidian Black AF 1.75mm PCTG Filament Made in the USA! Red more reliable lithophane printing with

more reliable lithophane printing with fewer retraction-related issues

This material also has the ability to be acetone smoothed to give a truly clear print

Fewer Fails: Say goodbye to frustrating print failures

Used For: Partner Innovators have used this filament for induction coils

Obsidian Black AF 1.75mm PCTG Filament Made in the USA! Red more reliable lithophane printing withAmerican Filament PCTG is very similar to PETG with several distinct advantages. You could even call it a PETG+! Our PCTG is made with a PET based copolyester specifically designed for professional grade 3D printing applications where easy processing and high toughness are critical. Our PCTG is made with a PET based copolyester specifically designed for professional grade 3D printing applications where easy processing and high toughness are critical.