The video shows a person drawing a triangle on a white piece of paper. The person uses a ruler to draw straight lines and a pen to connect the lines. The triangle is drawn with precision and care, and the person takes their time to ensure that the lines are even and the angles are accurate. The video is shot from a close-up angle, focusing on the person's hands and the paper. The person's movements are deliberate and steady, and the sound of the pen on the paper can be heard. The lighting is bright, and the white paper contrasts with the black pen and ruler. There are no other objects or people visible in the video.