The video shows a close-up of a 3D printer's extruder head as it moves back and forth, depositing material onto a surface. The printer head is black and silver, with a red wire attached to it. The material being extruded is white and appears to be a type of plastic or resin. The surface on which the material is being deposited is red and has a textured pattern. The video is shot from a side angle, focusing on the movement of the printer head and the emerging material.