If you want to learn how to draw lips and a mouth without a reference, you need to understand their anatomical structure first. In this tutorial I will show you where the form of the mouth comes from, and how to draw lips in various shapes and views. After this, you’ll be able to draw realistic lips from scratch!
In this tutorial I will show you how to draw a human skull from scratch, step by step. I will explain every little detail of the drawing, and the perspective will be really basic, so you don’t need any previous drawing experience to try this.