bandage box surplus 3d printer filament brittle bottom Manners Vinegar
PLA Brittle? Here's What You Can Do To Fix It - MakerShop
Tangle-free Green PLA 3D Filament by Yousu 1.75mm 1kg, Non-Brittle, Strong Bonding and Overhang Performance, Compatible with Most of 3D Printer : Amazon.sg: Industrial & Scientific