Sketches from “The Beginner’s da Vinci Drawing Course”

I’m working through the beginner’s da Vinci drawing course from the book How to Think like Leonardo da Vinci by Michael Gelb. I’ll post a selection of sketches here as I go, and then I’ll write up my reflections in the Testing Creativity Advice category.

A pencil sketch showing a square, triangle and circle extended to the vanishing point and shaded
A quick attempt at Perspective Exercise 7