3D-Fuel Tough Pro PCTG Filament for 3D Printing, Better Than PETG Filament, Made in The USA, 3D Printer Filament, Dimensional Accuracy +/-, 1 kg Spool, Toolbox Yellow

North Dakota manufacturer making filament from agricultural byproducts — hemp, coffee grounds, beer grain, straw fills alongside standard PLA. All manufactured at their own facility. Small-batch US-made.