>>7633353 (OP)all of them, you need to draw every possible shape from every possible angle and at every different size, once you've done that you need to start over again, you can't just draw a shape once and expect to master it. Once you have mastered all of the shapes from every possible angle and at every possible size you can start working on value. Young people these days are too impatient for this kind of practice, they need to toughen up, pull themselves up by their bootstraps and realize that it's about the journey, not the destination.