Engine guides, curated asset lists and behind-the-scenes from the free CC0 3D model library.https://grab3d.com/enhttps://grab3d.com/blog/ready-player-me-alternatives/https://grab3d.com/blog/ready-player-me-alternatives/Ready Player Me shut down on January 31, 2026. An honest overview of the alternatives: VRoid Studio, Avatar SDK, Character Creator, MakeHuman, MetaHuman and more.Thu, 01 Oct 2026 00:00:00 GMThttps://grab3d.com/blog/3d-file-sizes-glb-fbx-usdz-obj-blend/https://grab3d.com/blog/3d-file-sizes-glb-fbx-usdz-obj-blend/We measured 739 download packages: median sizes of GLB, FBX, USDZ, OBJ and .blend per quality tier, why our GLBs skip Draco, and which file to pick per engine.Tue, 29 Sep 2026 00:00:00 GMThttps://grab3d.com/blog/rigged-character-unity-godot-unreal/https://grab3d.com/blog/rigged-character-unity-godot-unreal/How to use a free rigged CC0 character with walk and run clips in Unity, Godot 4 and Unreal Engine 5: import, looping, blending, movement and honest limits.Tue, 29 Sep 2026 00:00:00 GMThttps://grab3d.com/blog/import-gltf-into-unity/https://grab3d.com/blog/import-gltf-into-unity/Import free glTF/GLB models into Unity in under five minutes, with glTF package setup, correct scale and materials, a note on Draco, and fixes for common errors.Wed, 01 Jul 2026 00:00:00 GMThttps://grab3d.com/blog/import-gltf-into-godot/https://grab3d.com/blog/import-gltf-into-godot/Godot 4 reads glTF natively. Learn how to import free 3D models with correct scale, materials, collision shapes and rigged animations, no Draco hassle.Wed, 24 Jun 2026 00:00:00 GMThttps://grab3d.com/blog/free-medieval-props/https://grab3d.com/blog/free-medieval-props/A curated list of free CC0 medieval 3D models: treasure chest, mimic, sword, throne, trebuchet, tavern, keep and a rigged knight. Textured, no attribution.Wed, 17 Jun 2026 00:00:00 GMThttps://grab3d.com/blog/how-we-make-our-models/https://grab3d.com/blog/how-we-make-our-models/An honest look at the Grab3D workflow: AI image-to-3D drafts corrected in Blender, procedural kits, automatic rigging, visual checks and why models carry a tier.Wed, 03 Jun 2026 00:00:00 GMThttps://grab3d.com/blog/gltf-vs-fbx-vs-obj/https://grab3d.com/blog/gltf-vs-fbx-vs-obj/A practical comparison of glTF, FBX and OBJ for game development: features, engine support, pitfalls, and why glTF has become the default choice.Wed, 27 May 2026 00:00:00 GMThttps://grab3d.com/blog/why-cc0-matters/https://grab3d.com/blog/why-cc0-matters/What CC0 actually allows, how it differs from 'royalty-free' and CC-BY, and why we put every Grab3D model in the public domain.Wed, 20 May 2026 00:00:00 GMT