Three21

Advanced 3D model visualization and analysis platform.

Start Your Journey

Begin by uploading your 3D model. We support GLB, GLTF, FBX, and more, instantly preparing them for deep analysis.

Interactive Demo

Where 3D meets Intelligence

Crystal Clear Visualization

Experience your models in high-fidelity. Our advanced rendering engine reveals every detail, texture, and nuance.

Reverse Engineering

Break it down. Disassemble models layer by layer to understand their internal structure and assembly.

Intelligent Insights

Learn with Gemini 2.5 Flash and observe. AI-powered analysis provides deep insights into geometry, materials, and optimization.

Universal Compatibility

Seamlessly work with industry-standard formats. From CAD to game assets, we handle it all.

2+
Formats
Real-time
Rendering
AI
Analysis
Three21 | Advanced 3D Analysis & Reverse Engineering