Being able to see accurate shape is one of the most useful skills of an artist. To train your eyes you have to practice a lot. But you also need to practicing correctly. For that you have to have a feedback loop. A way of checking your drawings for mistakes. So that you can notice patterns and correct yourself next time you practice. This cycle slowly tunes your eyes to see accurate shape.
In this video I’ll give you 2 methods of checking your drawings. A digital and non-digital version… Watch the Video