Art style: Pixar-like 3D.
Full-length view, the entire figure visible from head to feet, standing upright, figure centered — TREUGOLNIK, a cheerful anthropomorphic equilateral triangle character. His body is a rounded-corner green triangle with a glossy emerald surface, lighter mint-green belly panel, and three soft bevelled points. Big friendly expressive eyes, quick clever smile, lively arched brows showing sharp wit. Two slim arms with four-fingered hands and two short stubby legs ending in little rounded yellow sneakers planted on the ground. A small tool-belt wraps his base with a tiny ruler and compass, marking him as the resourceful master-builder. Confident ready-for-adventure stance, one hand on hip, the other giving a thumbs-up. Setting: a bright geometric fantasy land of grassy hills and pastel angular hills under a sunny sky.
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
FINAL STYLE ENFORCEMENT (this is the authoritative rendering directive — it overrides any style wording elsewhere in the prompt):
Render this image in the following art style:
Stylized cinematic 3D, expressive animated characters, soft rounded forms, polished materials, warm cinematic lighting, charming facial expressions, high-end animated film look.
Every surface, skin, fabric, material, and environmental element must be rendered in this idiom.
