The video shows a 3D printer in action, with a close-up of the printer head moving back and forth as it prints an object. The printer head is black and has a red light on it, indicating that it is turned on. The printer is printing on a black platform, and there are several layers of the object already printed. The printer head moves smoothly and precisely, laying down the material in a controlled manner. The background is a white wall, and there are no other objects or people visible in the video.