Drawing shapes, rather than lines is a good exercise and a different way of drawing things.
Shapes, Not Lines
So, instead of lines, identify and draw shapes. This exercise increases our ability to see this world in terms of shapes.
Start with big shapes, then draw medium-sized shapes and at last, small shapes.
Seeing in this way helps us simplify a scene for a drawing/painting. Relative sizes of various shapes in a drawing/painting create more impact than the details in it.
Drawing with Conte crayon
Watch the video attached below. It is part of my online course “Exercises to improve your drawing skill”.
This video will teach you one exercise to improve your skills and if you are interested in more such exercises, join the course here.