GUIDES & RESOURCES

3D File Guides & Resources

Technical guides covering 3D file formats, optimization strategies, AR requirements, and printing workflows. All free, no sign-up required.

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3D File Formats Compared: GLB, FBX, OBJ, STL, USDZ Technical comparison of popular 3D file formats covering materials, textures, animation support, compression, and platform compatibility. 12 min read

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7 min read GLB vs glTF: When to Use Which File structure, performance, and compression differences between GLB binary and glTF JSON formats. 8 min read Complete Guide to 3D Optimization for the Web Polygon budgets, texture compression, Draco, meshopt, and loading strategies for web delivery. 10 min read Preparing 3D Models for Printing: STL, 3MF, and OBJ Watertight meshes, wall thickness, scale, and polygon count for 3D printing. 9 min read 3D Model Requirements for AR (iOS, Android, Web) iOS, Android, and WebAR specs for file formats, polygon budgets, and texture limits. 11 min read How to Reduce 3D File Size Without Losing Quality Step-by-step guide to texture downsizing, polygon reduction, geometry compression, and scene cleanup with real benchmarks and platform limits. 14 min read 3D File Formats for E-Commerce: A Platform Guide Platform-by-platform guide to 3D file format requirements for Shopify, Amazon, Google Merchant Center, and Apple AR Quick Look. 15 min read Mesh Topology Explained: Quads, Triangles, and N-gons What quads, triangles, and n-gons actually do to your 3D models. Covers subdivision behavior, animation quality, file format compatibility, and polygon budgets for games, film, and web. 11 min read How to Prepare 3D Models for AR on Shopify Step-by-step guide to preparing, exporting, and uploading 3D models for augmented reality on Shopify product pages. Covers GLB and USDZ requirements, PBR textures, and Blender export. 14 min read Draco vs Meshopt Compression: Which One Should You Use? Technical comparison of Draco and Meshopt 3D compression for glTF and GLB files. Covers file size reduction, decode speed, animation support, tooling, and real benchmarks. 13 min read USDZ vs GLB: Which Format for Apple AR? Compare USDZ and GLB for augmented reality on iPhone, iPad, and Vision Pro. Covers AR Quick Look requirements, platform support, file size, material limits, and which format to use. 16 min read Common 3D Conversion Errors and How to Fix Them Practical guide to the most frequent 3D file conversion errors. Covers missing textures, broken materials, wrong scale, flipped axes, lost animations, and non-manifold geometry with tested fixes for each. 15 min read How Game Engines Handle 3D File Imports Technical guide to 3D file import pipelines in Unity, Unreal Engine 5, and Godot 4. Covers supported formats, material conversion, scale and coordinate systems, animation handling, and how to pick the right export format. 16 min read PBR Materials Explained: Metallic-Roughness vs Specular-Glossiness How physically based rendering materials work, what texture maps each workflow uses, real-world material values, engine and format support, and how to convert between the metallic-roughness and specular-glossiness workflows. 15 min read 3D File Size Budgets by Platform: Web, AR, E-Commerce, VR, and Game Engines Platform specific 3D file size limits, polygon budgets, and texture resolution caps for web, AR, e-commerce, VR, and game engines. Verified specs from Apple, Google, Meta, Shopify, Unity, Unreal, and more. 14 min read What Happens When You Convert FBX to GLB? Technical walkthrough of FBX to GLB conversion: how materials, textures, animations, coordinate systems, and mesh data change during the process. 14 min read STL vs 3MF for 3D Printing: Which Should You Use? Complete comparison of STL and 3MF for 3D printing. Covers color support, multi-material printing, file size, slicer compatibility, and when to use each format. 15 min read How to Preview 3D Files in Your Browser How to view and inspect 3D models directly in your browser. Covers WebGL, supported formats, free online viewers, JavaScript libraries, performance budgets, and AR preview. 16 min read Texture Compression for 3D: JPEG vs PNG vs KTX2 vs WebP Compare JPEG, PNG, WebP, and KTX2 texture formats for 3D models. Covers file size, GPU memory, visual quality, normal map handling, glTF support, and when to use each format.

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Convert 3D Format Converter Convert between GLB, glTF, OBJ, FBX, STL, PLY, USDZ, and more. Runs entirely in your browser.

Optimize 3D File Compressor Reduce file size with mesh decimation, texture compression, and Draco encoding. No upload required.