ภาพประกอบกราฟฟิตี้สเก็ตช์ผู้พัฒนา AI

A stylized graffiti sketch illustration of [an awesome AI builder], capturing a spontaneous, hand-drawn draft aesthetic with expressive free deformation. Dynamic sketchy outlines varying from thick to thin, deliberately loose yet rhythmic, prioritizing graphic exaggeration and playful abstraction over precise realism. Colored with rough, dry-brush textured blocks, visible stroke marks, dry drag, and uneven painterly patches matched to the subject. Spacious, clean negative white background maintaining an airy, unfinished sketchbook feel, accented with sparse doodle notations such as subtle arrows, scribbled notes, repeated sketch lines, and quick circled marks. Discreetly integrated artist sign-off reading "BlanPlan" in a corner in refined, understated typography. No watercolor bleeds, no soft gradients, no paper texture, no hazy glow.