https://www.nma.art/videolessons/drawing-forms-in-perspective/

In this lesson, instructor Chris Legaspi will introduce you to drawing forms in 3-dimensional space. You will learn how to plot basic shapes in perspective, construct forms from imagination, and break down a household object into simple forms.

https://www.nma.art/videolessons/basic-principles-of-light/

In this lesson, instructors Chris Legaspi and Heather Lenefsky will show you how to apply light to simple forms and use halftones to enhance the sense of 3-dimensional space. Then, you will apply your knowledge of forms to render your household objects.