Phase 5: 3D Generation · 50 min · Python · Tripo API · Blender (optional)

Texturing, PBR Materials & Auto-Rigging

UV mapping, PBR materials, auto-rigging — the difference between a 3D model and a production-ready 3D asset.

Real-world application: Texturing and auto-rigging knowledge demonstrates you understand the full 3D production pipeline, from generation to game-engine-ready asset.

What you will learn

Understand UV mapping: unwrapping 3D models for 2D texture application
Work with PBR materials: albedo, normal, roughness, metallic maps
Understand texture resolution trade-offs: 1K, 2K, 4K — quality vs file size
Use auto-rigging: skeletal animation setup, weight painting, bone hierarchy

Objective

Inspect generated assets as usable geometry, materials, and motion—not merely attractive previews. In the paired studio lab, build a pipeline that: (1) generates a 3D model from an image using Tripo, (2) applies auto-rigging via Tripo API, (3) exports the rigged model in FBX format with textures. Verify the model has skeletal structure and PBR materials.

The Problem

A team generates a 3D model of a character with Tripo AI. The model looks good, but:

It has no textures — it's a plain gray mesh
It has no skeleton — it can't be animated
It has no UV maps — textures can't be applied
It's not rigged — no bones for skeletal animation

They need to turn this raw mesh into a production-ready 3D asset: textured with PBR materials, UV-mapped, and rigged for animation. This is the difference between a 3D model and a production-ready 3D asset.

What you'll build
Understand UV mapping and PBR materials (albedo, normal, roughness, metallic). Use auto-rigging to add skeletal animation. Document the full pipeline from generated mesh to game-engine-ready asset.

Unlock the full lesson

You've read the first 2 sections. The rest of this lesson covers The Concept, Build, Check Yourself, Key Terms & Next — plus a hands-on lab, quiz, and project artifact.

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