✍️1-point perspective explained: how to measure the depth of the room (X+1 method)

[@schoolofsketching]

Hello, Creative! To dive deeper into perspective drawing, read these articles from my blog:
(1) "Top 5 books on perspective drawing: my personal choice": schoolofsketching.com/blog-in-english/topbooksonperspective
(2) "Perspective Drawing Explained: 7 Types of Perspective in Interior Sketching":
schoolofsketching.com/blog-in-english/types-of-interior-perspective
(3) "The 9 principles of one-point perspective in interior sketching": schoolofsketching.com/blog-in-english/one-point-perspective-in-drawing