Info house💫 on Instagram: "The video shows an innovative process of 3D printing using plastic bottles as raw material. It begins with empty plastic bottles being collected, cleaned, and dried to remove any dirt or labels. The bottles are then cut into long, thin strips using a simple cutting tool. These plastic strips act like filament. Next, the strips are fed into a specially modified 3D printer or a filament-making machine, where the plastic is heated and melted evenly. As the plastic melts,