How to draw 6 point perspective grid. Spherical perspective.

How to draw 6 point perspective grid, spherical perspective. Using perspective grid to show room projection on the mirror sphere. GUMROAD: https://genebond.gumroad.com Patreon: https://www.patreon.com/c/citysketch Artbooks: https://www.amazon.com/stores/Evgeny-Bondarenko/author/B0B6B19B8D https://genebond.art Gene Bond 林仁亞