glTF 2.0 Sample Assets

August 24, 2026 · View on GitHub

Models tagged with 'extension'

Models that use one or more extensions.

Other Tagged Listings

  • #all - All models listed alphabetically.
  • #core - Models that only use the core glTF 2.0 features and capabilities.
  • #extension - Models that use one or more extensions.
  • #issues - Models with one or more issues with respect to ownership, license, or markings.
  • #showcase - Models that are featured in some glTF/Khronos publicity.
  • #testing - Models that are used for testing various features or capabilities of importers, viewers, or converters.
  • #pbrtest - Models that are used for illustrating the effect of PBR properties.
  • #video - Models used in any glTF video tutorial.
  • #written - Models used in any written glTF tutorial or guide.
ModelDescription
A Beautiful Game

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Chess set using transmission and volume.
Credit:
© 2020, ASWF. Creative Commons Attribution 4.0 International
- MaterialX Project for Original model
© 2022, Ed Mackey. Creative Commons Attribution 4.0 International
- Ed Mackey for Conversion to glTF
Animated Colors Cube

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This model demonstrates animating a base color with KHR_animation_pointer.
Credit:
© 2024, Public. Creative Commons Zero v1.0 Universal
- Ed Mackey for Everything
AnimationPointerUVs

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This model tests UV transform animations with KHR_animation_pointer.
Credit:
© 2024, Darmstadt Graphics Group GmbH. Creative Commons Attribution 4.0 International
- Eric Chadwick for 3D asset and textures
Anisotropy Barn Lamp

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Wayfair AnisotropyBarnLamp model using anisotropy, clearcoat, emissive_strength, transmission, volume, and basisu extensions.
Credit:
© 2023, Copyright 2023 Wayfair, LLC. Creative Commons Attribution 4.0 International
- Eric Chadwick for Everything
Anisotropy Disc Test

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This model tests the texturemap for KHR_materials_anisotropy.
Credit:
© 2023, Public. Creative Commons Zero v1.0 Universal
- Eric Chadwick for Everything
Anisotropy Rotation Test

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This model tests rotational offsets for KHR_materials_anisotropy.
Credit:
© 2023, Analytical Graphics, Inc.. Creative Commons Attribution 4.0 International
- Ed Mackey for Everything
Anisotropy Strength Test

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This model tests the strength parameter for KHR_materials_anisotropy.
Credit:
© 2023, Public. Creative Commons Zero v1.0 Universal
- Ed Mackey for Everything
Attenuation Test

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Tests the interactions between attenuation, thickness, and scale.
Credit:
© 2021, Analytical Graphics, Inc.. Creative Commons Attribution 4.0 International
- Ed Mackey for Everything
Car Concept

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Concept car with Khronos logos and material variants
Credit:
© 2024, Darmstadt Graphics Group GmbH. Creative Commons Attribution 4.0 International
- Eric Chadwick for Model and textures
© 2015, Khronos Group. Khronos Trademark or Logo
- Non-copyrightable logo for Khronos logo
© 2017, Khronos Group. Khronos Trademark or Logo
- Non-copyrightable logo for 3D Commerce logo
Carbon Fibre Ball

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Example of anisotropy applied to a ball with a simulated carbon fiber surface.
Credit:
© 2023, Wayfair. Creative Commons Attribution 4.0 International
- Eric Chadwick for Models and Textures
Chair Damask Purplegold

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Use of sheen to create a high-end small seat (damask).
Credit:
© 2021, Wayfair. Creative Commons Attribution 4.0 International
- Eric Chadwick for Models and Textures
Chronograph Watch

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Wrist watch with Khronos logos and material variants
Credit:
© 2025, Darmstadt Graphics Group GmbH. Creative Commons Attribution 4.0 International
- Eric Chadwick for Model and textures
© 2015, Khronos Group. Khronos Trademark or Logo
- Non-copyrightable logo for Khronos logo
© 2017, Khronos Group. Khronos Trademark or Logo
- Non-copyrightable logo for 3D Commerce logo
© 2020, Darmstadt Graphics Group GmbH. DGG Trademark or Logo
- Copyrightable logo for DGG logo
Clear Coat Car Paint

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This model is a sphere using the glTF ClearCoat extension overtop a car paint base material.
Credit:
© 2023, Public. Creative Commons Zero v1.0 Universal
- Eric Chadwick for Everything
KHR_materials_clearcoat Test

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Tests if the KHR_materials_clearcoat extension is supported properly.
Credit:
© 2020, Analytical Graphics, Inc.. Creative Commons Attribution 4.0 International
- Ed Mackey for Everything
Clearcoat Wicker

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This model is a sphere using the glTF ClearCoat to create a wicker material covered with a wrinkled plastic clearcoat material.
Credit:
© 2023, Public. Creative Commons Zero v1.0 Universal
- Eric Chadwick for Everything
Commercial Refrigerator

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Commercial refrigerator with glass condensation, champagne bottles, and door animation.
Credit:
© 2025, Darmstadt Graphics Group GmbH. Creative Commons Attribution 4.0 International
- Eric Chadwick for Model and textures and all images in the README.md
© 2025, Sean Thomas. Creative Commons Attribution 4.0 International
- Sean Thomas for This work is based on 'Commercial Fridge' (https://sketchfab.com/3d-models/commercial-fridge-2174e1e4f1f24f1a95aa110ee060f473) by Sean Thomas (https://sketchfab.com/foon.) licensed under CC-BY-4.0 (http://creativecommons.org/licenses/by/4.0/)
Compare Anisotropy

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This model compares without anisotropy vs. with anisotropy.
Credit:
© 2017, Khronos Group. Khronos Trademark or Logo
- Non-copyrightable logo for glTF logo
© 2024, Public. Creative Commons Zero v1.0 Universal
- Eric Chadwick and DGG for Everything
Compare Clearcoat

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This model compares clearcoat methods.
Credit:
© 2017, Khronos Group. Khronos Trademark or Logo
- Non-copyrightable logo for glTF logo
© 2024, Public. Creative Commons Zero v1.0 Universal
- Eric Chadwick and DGG for Everything
Compare Dispersion

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This model compares dispersion methods.
Credit:
© 2017, Khronos Group. Khronos Trademark or Logo
- Non-copyrightable logo for glTF logo
© 2024, Public. Creative Commons Zero v1.0 Universal
- Eric Chadwick and DGG for Everything
Compare Emissive Strength

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This model compares emissive versus emissive plus emissive strength.
Credit:
© 2017, Khronos Group. Khronos Trademark or Logo
- Non-copyrightable logo for glTF logo
© 2024, Public. Creative Commons Zero v1.0 Universal
- Eric Chadwick and DGG for Everything
Compare IOR

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This model compares IOR methods.
Credit:
© 2017, Khronos Group. Khronos Trademark or Logo
- Non-copyrightable logo for glTF logo
© 2024, Public. Creative Commons Zero v1.0 Universal
- Eric Chadwick and DGG for Everything
Compare Iridescence

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This model compares iridescence methods.
Credit:
© 2017, Khronos Group. Khronos Trademark or Logo
- Non-copyrightable logo for glTF logo
© 2024, Public. Creative Commons Zero v1.0 Universal
- Eric Chadwick and DGG for Everything
Compare Sheen

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This model compares sheen methods.
Credit:
© 2017, Khronos Group. Khronos Trademark or Logo
- Non-copyrightable logo for glTF logo
© 2024, Public. Creative Commons Zero v1.0 Universal
- Eric Chadwick and DGG for Everything
Compare Specular

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This model compares specular methods.
Credit:
© 2017, Khronos Group. Khronos Trademark or Logo
- Non-copyrightable logo for glTF logo
© 2024, Public. Creative Commons Zero v1.0 Universal
- Eric Chadwick and DGG for Everything
Compare Transmission

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This model compares transmission methods.
Credit:
© 2017, Khronos Group. Khronos Trademark or Logo
- Non-copyrightable logo for glTF logo
© 2024, Public. Creative Commons Zero v1.0 Universal
- Eric Chadwick and DGG for Everything
Compare Volume

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This model compares volume methods.
Credit:
© 2017, Khronos Group. Khronos Trademark or Logo
- Non-copyrightable logo for glTF logo
© 2024, Public. Creative Commons Zero v1.0 Universal
- Eric Chadwick and DGG for Everything
Diffuse Transmission Plant

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Potted plant asset using Diffuse Transmission extension.
Credit:
© 2024, Darmstadt Graphics Group GmbH. Creative Commons Attribution 4.0 International
- Eric Chadwick for Materials and animation
© 2021, Public domain. Creative Commons Zero v1.0 Universal
- Rico Cilliers for Original asset
Diffuse Transmission Teacup

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DiffuseTransmissionTeacup model using Diffuse Transmission extension.
Credit:
© 2023, Public domain. Creative Commons Zero v1.0 Universal
- Polyhaven.com, and Eric Chadwick for Models and Textures
DiffuseTransmissionTest

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Test model for KHR_materials_diffuse_transmission extension.
Credit:
© 2025, Darmstadt Graphics Group GmbH. Creative Commons Attribution 4.0 International
- Eric Chadwick for Model and textures
© 2015, Khronos Group. Khronos Trademark or Logo
- Non-copyrightable logo for Khronos logo
© 2017, Khronos Group. Khronos Trademark or Logo
- Non-copyrightable logo for glTF logo
Dispersion Test

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This model tests the KHR_materials_dispersion extension.
Credit:
© 2023, AGI. Creative Commons Attribution 4.0 International
- Ed Mackey for Everything
Dragon Attenuation

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Dragon with background, using material variants, transmission, and volume.
Credit:
© 1996, Stanford University Computer Graphics Laboratory. Stanford Graphics Library
- Stanford University Computer Graphics Laboratory for Original dragon model
© 2017, Morgan McGuire. Stanford Graphics Library
- Morgan McGuire's Computer Graphics Archive for Conversion and clean up
© 2021, Public. Creative Commons Zero v1.0 Universal
- Adobe for Cloth backdrop
Dragon Dispersion

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Dragon with background, using dispersion, transmission, and volume.
Credit:
© 1996, Stanford University Computer Graphics Laboratory. Stanford Graphics Library
- Stanford University Computer Graphics Laboratory for Original dragon model
© 2017, Morgan McGuire. Stanford Graphics Library
- Morgan McGuire's Computer Graphics Archive for Conversion and clean up
© 2021, Public. Creative Commons Zero v1.0 Universal
- Adobe for Cloth backdrop
Emissive Strength Test

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Tests if the KHR_materials_emissive_strength extension is supported properly.
Credit:
© 2022, AGI. Creative Commons Attribution 4.0 International
- Ed Mackey for Everything
Environment Test

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A simple scene with metal and dielectric spheres that range between 0 and 1 roughness. Useful for testing environment lighting.
Credit:
© 2017, Adobe. Adobe Stock License
- Adobe for Everything
GlamVelvetSofa

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Sofa using material variants, sheen, and specular.
Credit:
© 2021, Wayfair, LLC. Creative Commons Attribution 4.0 International
- Eric Chadwick for Everything
Glass Broken Window

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This asset demonstrates the combination of two transparency methods in glTF: KHR_materials_transmission for glass and alphaMode:'MASK' for holes in the broken glass.
Credit:
© 2023, Wayfair. Creative Commons Attribution 4.0 International
- Eric Chadwick for Entire asset
Glass Hurricane Candle Holder

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Glass holder using Materials Tranmission and Materials Volume extensions.
Credit:
© 2021, Wayfair, LLC. Creative Commons Attribution 4.0 International
- Eric Chadwick for Model and textures
© 2015, Khronos Group. Khronos Trademark or Logo
- Non-copyrightable logo for Khronos logo
© 2017, Khronos Group. Khronos Trademark or Logo
- Non-copyrightable logo for glTF logo
Glass Vase with Flowers

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This model compares transparency methods for representing glass in glTF: alphaMode:'BLEND' (left) versus the extensions KHR_materials_transmission and KHR_materials_volume (right).
Credit:
© 2023, Public. Creative Commons Zero v1.0 Universal
- Eric Chadwick for Glass vase
© 2023, Public. Creative Commons Zero v1.0 Universal
- Rico Cilliers for Flowers
IORTestGrid

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Grid of spheres over a checkered backdrop to test IOR rendering.
Credit:
© 2023, Public. Creative Commons Zero v1.0 Universal
- Eric Chadwick for Everything
IridescenceAbalone

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A model of an abalone shell with highly iridescent interior.
Credit:
© 2015, Abby Crawford. Creative Commons Attribution 4.0 International
- Abby Crawford for Everything
© 2023, Eric Chadwick. Creative Commons Attribution 4.0 International
- Eric Chadwick for Materials
Iridescence Dielectric Spheres

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Tests KHR_materials_iridescence on a non-metallic material.
Credit:
© 2019, Public. Creative Commons Zero v1.0 Universal
- Khronos for Everything
Iridescence Lamp

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Wayfair Lamp model using transmission, volume, and KHR_materials_iridescence.
Credit:
© 2022, Wayfair, LLC. Creative Commons Attribution 4.0 International
- Eric Chadwick for Everything
Iridescence Metallic Spheres

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Tests KHR_materials_iridescence on a metallic material.
Credit:
© 2022, UX3D. Creative Commons Zero v1.0 Universal
- UX3D for Everything
Iridescence Suzanne

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Further tests KHR_materials_iridescence.
Credit:
© 2022, UX3D. Creative Commons Zero v1.0 Universal
- Mathias Kanzler for Initial version
© 2021, Pascal Schoen. Creative Commons Zero v1.0 Universal
- Pascal Schoen for Internal clean-up
Iridescent Dish with Olives

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Dish using transmission, volume, IOR, and specular. [Issues: non-Khronos mark]
Credit:
© 2020, Wayfair, LLC. Creative Commons Attribution 4.0 International
- Eric Chadwick for Everything
Lamp with Punctual Lights

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Lamp using punctual lights.
Credit:
© 2021, DGG. Creative Commons Attribution 4.0 International
- DGG for Everything
MandarinOrange

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Scattering of light through the tangerine using the glTF diffuse transmission extension is shown in this test.
Credit:
© 2015, zamdreamer. Creative Commons Attribution 4.0 International
- zamdreamer for Initial creation
© 2023, Wayfair. Creative Commons Attribution 4.0 International
- Eric Chadwick for glTF PBR material
Materials Variants Shoe

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A model of a shoe that illustrates use of the KHR_materials_variants extension with three materials included in the asset.
Credit:
© 2021, Shopify. Creative Commons Attribution 4.0 International
- Shopify for Everthing
Meshopt Cube Test

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This model tests the KHR_meshopt_compression extension.
Credit:
© 2025, Public. Creative Commons Zero v1.0 Universal
- Arseny Kapoulkine for Everything
Mosquito In Amber

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Mosquito in amber by Sketchfab, using transmission, IOR, and volume.
Credit:
© 2018, Sketchfab. Creative Commons Attribution 4.0 International
- Loic Norgeot for Model
© 2019, Sketchfab. Creative Commons Attribution 4.0 International
- Sketchfab for Real-time refraction
Point Light Intensity Test

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This model tests KHR_lights_punctual intensity vs lamp color.
Credit:
© 2025, Public. Creative Commons Zero v1.0 Universal
- Ed Mackey for Everything
PotOfCoals

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Burnt copper pot with a clearcoat, containing emissive hot coals.
Credit:
© 2023, Darmstadt Graphics Group GmbH. Creative Commons Attribution 4.0 International
- Eric Chadwick for Model and textures
© 2015, Khronos Group. Khronos Trademark or Logo
- Non-copyrightable logo for Khronos logo
© 2017, Khronos Group. Khronos Trademark or Logo
- Non-copyrightable logo for glTF logo
Pot of Coals Animation Pointer

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Burnt copper pot with a clearcoat, containing emissive hot coals, and animated heat refraction.
Credit:
© 2024, Darmstadt Graphics Group GmbH. Creative Commons Attribution 4.0 International
- Eric Chadwick for Model and textures
© 2015, Khronos Group. Khronos Trademark or Logo
- Non-copyrightable logo for Khronos logo
© 2017, Khronos Group. Khronos Trademark or Logo
- Non-copyrightable logo for glTF logo
Sheen Chair

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Chair using material variants and sheen.
Credit:
© 2020, Wayfair, LLC. Creative Commons Zero v1.0 Universal
- Eric Chadwick for Everything
Sheen Cloth

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Fabric example using sheen.
Credit:
© 2020, Microsoft. Creative Commons Zero v1.0 Universal
- Microsoft for Everything
SheenTestGrid

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Grid of spheres over a checkered backdrop to test Sheen rendering.
Credit:
© 2023, Public. Creative Commons Zero v1.0 Universal
- Eric Chadwick for Everything
Sheen Wood Leather Sofa

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Sofa asset using sheen, specular, and high-quality tiling textures.
Credit:
© 2024, Darmstadt Graphics Group GmbH. Creative Commons Attribution 4.0 International
- Eric Chadwick for Improvements
© 2021, Public domain. Creative Commons Zero v1.0 Universal
- Fran Calvente for Original asset
Simple Instancing

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A simple example for the EXT_mesh_gpu_instancing extension.
Credit:
© 2023, Public. Creative Commons Zero v1.0 Universal
- Marco Hutter (https://github.com/javagl/) for Everything
SpecGlossVsMetalRough

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Tests if the KHR_materials_pbrSpecularGlossiness extension is supported properly.
Credit:
© 2017, Microsoft. Creative Commons Attribution 4.0 International
- Microsoft for Everything
Specular Silk Pouf

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Wayfair SpecularSilkPouf model using sheen and specular extensions.
Credit:
© 2023, Copyright 2023 Wayfair, LLC. Creative Commons Attribution 4.0 International
- Eric Chadwick for Everything
Specular Test

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Tests if the KHR_materials_specular extension is supported correctly.
Credit:
© 2021, Analytical Graphics, Inc.. Creative Commons Attribution 4.0 International
- Ed Mackey for Everything
Stained Glass Lamp

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A real product, a Tiffany-style stained glass table lamp sold on the Wayfair website.
Credit:
© 2021, Wayfair. Creative Commons Attribution 4.0 International
- Eric Chadwick for Everything
Sunglasses Khronos

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Sunglasses with Khronos logos and iridescent lenses
Credit:
© 2024, Darmstadt Graphics Group GmbH. Creative Commons Attribution 4.0 International
- Eric Chadwick for Model and textures and all images in the README.md
© 2015, Khronos Group. Khronos Trademark or Logo
- Non-copyrightable logo for Khronos logo
© 2017, Khronos Group. Khronos Trademark or Logo
- Non-copyrightable logo for 3D Commerce logo
Texture Transform Multi Test

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Tests if the KHR_texture_transform extension is supported for several inputs.
Credit:
© 2020, Analytical Graphics, Inc.. Creative Commons Attribution 4.0 International
- Ed Mackey for Everything
Texture Transform Test

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Tests if the KHR_texture_transform extension is supported for BaseColor.
Credit:
© 2018, Microsoft. Creative Commons Zero v1.0 Universal
- Microsoft for Everything
Toy Car

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Toy car example using transmission, clearcoat, and sheen.
Credit:
© 2020, Public. Creative Commons Zero v1.0 Universal
- Guido Odendahl for Initial car model
© 2020, Public. Creative Commons Zero v1.0 Universal
- Eric Chadwick for Extensions and scene composition
Traffic Cone

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A traffic cone demonstrating the KHR_materials_retroreflection extension, which simulates materials that reflect light back toward its source.
Credit:
© 2024, hinndia. Creative Commons Attribution 4.0 International
- hinndia for Everything
Transmission Order Test

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This model tests the interactions between blend modes and transmission.
Credit:
© 2025, Public. Creative Commons Zero v1.0 Universal
- Ed Mackey for Everything but the cloth backdrop
© 2021, Public. Creative Commons Zero v1.0 Universal
- Adobe for Cloth backdrop
Transmission Roughness Test

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Tests the interaction between roughness and IOR.
Credit:
© 2021, Analytical Graphics, Inc.. Creative Commons Attribution 4.0 International
- Ed Mackey for Everything
Transmission Test

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Tests if the KHR_materials_transmission extension is supported properly.
Credit:
© 2020, Public. Creative Commons Zero v1.0 Universal
- Adobe for Everything
TransmissionThinwallTestGrid

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Grid of spheres over a checkered backdrop to test Thinfilm and IOR rendering.
Credit:
© 2023, Public. Creative Commons Zero v1.0 Universal
- Eric Chadwick for Everything
USD Shader Ball for glTF

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USD Shader Ball converted for glTF
Credit:
© 2026, Eric Chadwick. Creative Commons Attribution 4.0 International
- Geometry and textures: Chris Rydalch; original specification and validation: André Mazzone; original scene, inspiration and consultation: Thomas Anagnostou; glTF conversion: Eric Chadwick for Model and textures and all images in the README.md
Unlit Test

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Tests if the KHR_materials_unlit extension is supported properly.
Credit:
© 2019, Analytical Graphics, Inc.. Creative Commons Attribution 4.0 International
- Ed Mackey for Everything
Xmp Metadata Rounded Cube

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Test of the XMP metadata extension - KHR_xmp_json_ld.
Credit:
© 2021, Adam Morris. Creative Commons Attribution 4.0 International
- Adam Morris for Everything

© 2026, The Khronos Group.

License: Creative Commons Attribution 4.0 International