The video shows a 3D printer in action, printing an object on a glass surface. The printer's head moves back and forth, laying down material to create the object. The object appears to be a black, circular object with a textured surface. The printer is made of metal and has wires attached to it. The glass surface is clear and has some smudges on it. The printer's head moves smoothly and precisely, indicating a high level of accuracy in the printing process.