Graphite drawing tutorial by artist Koysen (Douyin) — a masterclass in rendering different surface materials like gypsum, metal, jelly, and glass with realistic light, shadow, and texture. Each sphere demonstrates how graphite can capture distinct qualities of reflection, transparency, and form. Artist: Koysen (Douyin) #graphitetutorial #drawingtechniques #shadingpractice #realisticdrawing #artstudy | Graphite Masters