Instead of drawing a chair, draw the "holes" or shapes between the rungs. This prevents the brain from reverting to symbolic drawing.
Understanding the "Value Scale" (from white to black) is what creates the illusion of 3D depth on a 2D surface. IV. Overcoming the "Ugly Phase" Drawing for the Absolute and Utter Beginner
You do not need professional-grade equipment to start. A "solid" start requires: Instead of drawing a chair, draw the "holes"
The belief that drawing is an innate "gift" is one of the most persistent myths in the arts. In reality, drawing is a learned cognitive skill—a form of visual literacy—that relies more on than manual dexterity. For the absolute beginner, the challenge isn't training the hand to move, but training the brain to see. I. The Philosophy of Seeing Instead of drawing a chair