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Foundations
The formats, geometry, materials, and vocabulary behind production-ready 3D assets.
12 articles
What Is a GLB File?
A practical guide to the binary glTF container: its byte layout, contents, loading behavior, inspection tools, and limits.
Skeletal Rigging Basics: How Bones and Skin Weights Drive a 3D Character
Learn how joints, bone hierarchies, and skin weights make a 3D character move, and how a rigged GLB actually deforms in web and game engines.
Quad Retopology for Beginners: Build a Clean Mesh That Keeps the Shape
Learn what quad retopology is, why artists use it, and how to rebuild a dense sculpt or scan as a practical low-resolution mesh.
Levels of Detail (LOD): Designing Models That Scale With Distance
Design, generate, switch, and validate mesh LODs using screen-space evidence, stable transitions, and platform-aware performance measurements.
Topology for Real-Time 3D: What Actually Matters
Learn how manifold structure, edge flow, triangulation, seams, deformation, and GPU vertex data define production-ready real-time topology.
3D Coordinate Systems and Transforms Without the Guesswork
Understand local and world space, axes, handedness, matrices, quaternions, scale, units, and the transform failures that break exported 3D assets.
PBR Metallic-Roughness Materials Explained
Build predictable glTF materials by understanding base color, Fresnel reflectance, metalness, roughness, environment lighting, and common authoring errors.
3D Materials and Textures: How Surface Data Reaches the Screen
Understand materials, textures, UVs, samplers, color spaces, mipmaps, and the practical costs hidden inside a real-time 3D asset.
High-Poly vs. Low-Poly Models: A Production Decision Guide
Learn what high-poly and low-poly actually mean, how each model is used, and how to choose geometry budgets from measurable delivery constraints.
Vertices, Edges, Normals, and UVs: A Working Glossary
A precise guide to mesh positions, rendered vertices, edges, indices, normals, tangents, and UVs—with byte calculations and debugging methods.
What Are Triangles in a 3D Model?
How triangles define a rendered surface, how counts are derived, where GPU cost comes from, and how to decide which triangles are useful.
glTF Explained: The Format Behind Real-Time 3D
A detailed map of glTF 2.0 scenes, nodes, meshes, accessors, materials, animation, extensions, and the byte costs they represent.