This is a tutorial about how to draw faces without using reference pictures.
I think it's important that you learn to draw from real life or pictures before you start drawing from your imagination. If you practice on this, you also learn some poses, face structures, proportions and that stuff. Then you can try the next step: drawing from your imagination. This is how I do my heads from imagination.
I hope this is helpfull for aswell beginners as advanced drawers.

Click on the image below for a larger format.


PS: sorry for the bad quality. The back of paper shines trough because I drew this tutorial on both sides of the paper. I hope you can still learn something from this.