proko.com
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Proko is an art-education site offering high-quality video tutorials and courses on figure drawing, anatomy, portraiture, and perspective, along with free lessons and practice resources for artists.
More resources on Perspective Drawing
Ctrl+Paint Library
Free video tutorials on perspective and digital drawing
Perspective Lessons (Lessons 1 & 2)
Learn the fundamentals of perspective drawing with Lessons 1 & 2 from Uncomfortable's popular course! Master essential techniques today.
Perspective Made Easy
Perspective Made Easy - A book resource
drawabox.com
DrawABox.com is a free, structured online drawing course focused on learning perspective and constructive form by building from basic shapes (boxes, cylinders, spheres). It offers progressive lessons, practical exercises, and critique resources to help artists develop accurate perspective and solid form.
line-of-action.com
Line of Action is an art-reference and practice tool offering a large library of figure poses and a pose generator to practice gesture drawing, anatomy, and perspective, with timed prompts to build speed and accuracy.