Questions tagged [gltf]

A file format that uses JSON for the efficient transmission and loading of 3D scenes and models. Should be used in the scope of Blender and related packages regarding transmission as opposed to being a technical reference for glTF.

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18
votes
5answers
11k views

Does Blender support the glTF format?

Is the import/export of GLTF files is going to be supported or is there a python script that can handle that?
13
votes
4answers
23k views

How to open a .glb or .gltf file in blender?

My question is about opening .glb or .gltf files in Blender. I don't see these extensions in the Import options, although Export allows me to create files with either of those extensions.
4
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1answer
2k views

Blender 2.79, how to install Khronos Group gltf exporter?

I downloaded the KhronosGroup addon from https://github.com/KhronosGroup/glTF-Blender-Exporter I read install instructions, but those were for Windows. I tried copying the addon under ~/.blender/2.79/...
3
votes
1answer
3k views

Export transparent material in GLTF in blender 2.8

I am trying to export a glass material in gltf. Here is the material principled shader, notice I have transmission set to 1.0: this gives me this result in cycles (the glasses have the glass material)...
2
votes
1answer
2k views

Exporting a GLB file to share it on Facebook

I have tried "glTF Blender Exporter", "blendergltf" and "glTF 2" to try and export a Cycles model I made to .GLB format for Facebook upload, however nothing I tried worked. Only "glTF Blender ...
2
votes
2answers
5k views

How do you export GLTF from Blender?

Is there a way to export GLTF or do I need a plugin or something? Thanks! Benjamin
2
votes
1answer
167 views

Exporting to glTF doesn't work properly

I have tried multiple times to export a simple design made from importing an svg file, extruding and adding textures to gltf, glb etc and it seems that there is just no way for blender to export the ...
2
votes
2answers
399 views

Substance / Blender GLTF workflow = wrong metal render

I have a 3D armor which was textured in Substance and exported following that pipeline: https://www.khronos.org/blog/art-pipeline-for-gltf, that is to say with a ORM map. However, once the maps ...
2
votes
1answer
3k views

glTF: How to optimize exported glb file from blender having more number of loop-cuts?

I have plane with 200x100 loopcuts, when I export glb the size of the file is around 2MB than I again sub divided the mesh couple of times and now binary file is around 8MB. How can I use more number ...
2
votes
1answer
1k views

Export to glTF with PBR materials ( facebook integration)

I'm experimenting with 3D posts on Facebook on the only supported format is binary glTF. I'm using the Khronos exporter and their PBR node groups. Has anyone been able to export a model with PBR and ...
2
votes
1answer
77 views

Can metallic car paint be exported in GLTF?

I'm trying to export a car model with red metallic paint as a GLTF model. A diffused red metallic with a high gloss clear. It appears that with GLTF it's either one or the other? I can get somewhat ...
2
votes
1answer
91 views

exporting procedural landscape

hi guys sorry if this is a repeat question but I haven't found the answer and I've been trying for days this is driving me nuts. So I am new to blender and I have created a procedural landscape and ...
2
votes
1answer
795 views

How to scale imported .gltf model?

I imported a gltf model in Blender and it's way too big. If I convert the same model to .obj before, I can import it in Blender and set the Clamp-Size to 1.00 and the scaling is alright. Unfortunately,...
2
votes
0answers
25 views

Convert Blend file to GLTF with baked materials

I am trying to convert MMD files into gltf files for use on the web. I use a plugin called https://github.com/powroupi/blender_mmd_tools to import them into blender, but when I export them, they don't ...
2
votes
3answers
179 views

Shape key values saved as 0

I created a simple animation with shape keys. However exporting this animation not working properly. After I export it in gltf2 or fbx format, the shape keys are reset to 0 in exported file. What ...
2
votes
0answers
98 views

Build Blender as a Python module with Draco compression enabled

I've succeed in building Blender as a Python module, but I would like to be able to use the draco compression when exporting glTF (gltb) files. When building Blender as a Python module, I set CMake ...
2
votes
0answers
126 views

GLTF export/import Sketchup 2017 to Blender 2.80 overrides origin and local axis orientation

I'm exporting a .glb file from Sketchup 2017 using the KhronosGroup GLTF exporter and importing it into Blender 2.80 using the KhronosGroup GLTF importer. Once the file is imported I get the ...
1
vote
1answer
183 views

How to export an Image(png / jpg) as glTF?

Sorry if I'm a complete noob, this is my first time using blender. So far, I've managed to import the image as a plane with the addon (import/export image as a plane), and now want to export it out ...
1
vote
2answers
522 views

Diffuse node compability for glTF exporter

I got a problem using glTF exporter for Blender (To upload 3D content on Facebook). I downloaded the last version of the add-on on this site: https://github.com/KhronosGroup/glTF-Blender-Exporter The ...
1
vote
1answer
407 views

Bump Maps are missing after exporting as glTF 2.0

My goal is to export my entire FBX model into GLTF 2.0 format with all bump maps using Blender, and upload it online using Three.js I've uploaded my FBX model to Sketchfab https://skfb.ly/YOGv and it ...
1
vote
1answer
417 views

I am using the gLTF addon, how do I make my node group glTF Metallic Roughness exactly the same as my Diffuse BSDF

When using the Diffuse BSDF When using the glTF Metallic Roughness As you can tell the colour of the cubes looks different from each other. Additionally when using the glTF Metallic Roughness, you ...
1
vote
1answer
32 views

Whats the right way to create scenes ready for gltf and draco compression?

I am new to Blender and 3d modelling and I have created a scene with several meshes and textures/materials. All materials are gltf compatible (Principled BSDF nodes with image texture and normal ...
1
vote
1answer
313 views

Batch exporting scene collections or selected objects using glTF-Blender-IO

I'm still new with python and scripting. I tried editing the obj exporter that I found. Since I'm exporting tons of object groups, I need each of scene collection or selected objects to be exported as ...
1
vote
1answer
55 views

glTF export has twice the vertices it should

I am turning instances on a template into copies in a glTF file. When I import that glTF file into Blender again, the number of vertices has doubled. The number of faces also shows as double, but ...
1
vote
1answer
118 views

Text Not being exported to GLTF

I am trying to export an object (above right), and I put 3D text (not a texture) on it. But every time I export the glTF, the text does not come with it. Is there a way to get text, or is text not ...
1
vote
1answer
411 views

png loses alpha on gltf export

I was trying out the gltf + bin + texture export feature on blender 2.8. and the model i was exporting had a png eye texture with a transparent background. with a Principled BSDF shader like this, ...
1
vote
1answer
215 views

Installing glTF-Blender-IO latest Version in Blender 2.8

Blender 2.80 now includes the glTF-Exporter addon, but due to some limitations, I would like to test the latest version of glTF-Blender-IO from here: https://github.com/KhronosGroup/glTF-Blender-...
1
vote
1answer
685 views

Properly export blender scene with materials format to three.js scene

Completely beginner in blender and 3d graphics in general here. My goal is to export a blender scene with models and materials (including textures) and import back in three.js scene. According to ...
1
vote
1answer
436 views

glTF exporter with images

I'm currently trying to import an exported .gltf into my program. I'm now at the point where I need the information of the image. But in the .gltf is no 'image' or 'texture' section, even if I check '...
1
vote
0answers
14 views

Blender 2.80 GLTF Import and Export Issues

I am having an issue with Blender 2.80 on Ubuntu 19.10 Linux. If I attempt to import any GLTF files, Blender crashes immediately and I can't find any logs in my /tmp/ directory. The second part of ...
1
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0answers
16 views

Is it possible to export glTF models vertices, UVs and normals with signed short “2 bytes”, not float “4 bytes”?

I had exported a glTF model from blender, when I put .bin file to hex editor, it seems his vertices, UVs and normals are in "4 bytes" float, or IEEE 754 floating point, like the example below. ➤ Is ...
1
vote
0answers
26 views

Switching between textures on the same model

I'm generating a GLTF file that will contain multiple possible textures for the same model, with the same texture coordinates. In GLTF, I can only choose one of these textures as active for the mesh (...
1
vote
0answers
108 views

glTF 2.0 Validation error: ACCESSOR_VECTOR3_NON_UNIT [closed]

I’m getting an error from a .glb file that was exported from Blender using the Khronos glTF Validator. I’ve been searching online for the past couple of days, but can’t find any information describing ...
1
vote
0answers
52 views

Why I can't see hair in exported glTF file?

I created hair - Particle Settings and I would like to see them in exported glTF file. I tried to made Mesh from this hair, but it seems that doesn't help. Still I can't see the hair in exported file....
1
vote
0answers
21 views

GLTF import animation problem

I'm trying to import a GLTF with one animation track: https://pastebin.com/raw/LxMeuJ32 it displays correctly on several GLTF viewers, e.g. BabylonJS Sandbox, three.js GLTF viewer, i.e. the cube ...
1
vote
0answers
120 views

exporting multiple animated objects to gltf

I'm fairly new to gltf and am gradually learning about it's abilities/limitations. I am currently trying to test a file that would have multiple objects animate in a scene. However, whenever I export, ...
1
vote
1answer
176 views

How to export blender file with armature to glb

I am pretty new to the tool Blender, I am using version 2.8.0 and I have a robotic arm with some animations using the bones and armature, it works fine but when I am trying to export it to a glb file ...
1
vote
1answer
133 views

Anvil from Guru blender not exporting with all materials and textures to glb file for WebGL

I cannot for the life of me figure out why my Anvil model from the famous Guru Blender series tutorial will not export to a glb file for use with WebGL. Since I made it in Blender 2.79b, I have been ...
1
vote
1answer
120 views

When glTF export in Blender2.8, an animation is not played well

When glTF export in Blender2.8, the parameter of the rotary animation of the glTF file turns into the expansion and contraction. I make the animation which turned a simple early cube.This does 1 ...
1
vote
0answers
371 views

Blender Evee to Unity - Can't Export GLTF with Embedded Textures

I'm having trouble exporting textured objects from Blender Evee as .glb files and importing them into unity with the textures retained. I followed the steps in this video but am still unsuccessful. ...
1
vote
0answers
115 views

Gloss, reflection and normal maps not exported in gltf2.0

I used the new gltf 2.0 exporter available in blender 2.8 to export a model with three separate elements two of which has gloss, reflection, and normal maps attached to it via principle bsdf one model ...
1
vote
1answer
145 views

Car model to glTF with multiple parts

I have a model of a car which I have exported to a glTF. How can I group elements in Blender like the wheels so they appear separately in the JSON code? I have created Vertex Groups but they don’t ...
1
vote
1answer
40 views

exporting eyes with gltf to unity

I was trying to make eyes watching this tutorial https://www.youtube.com/watch?v=gfEyhPXsOCM but but when I exported the eyes to Unity as glTF the eyes didn't have any textures to it it was just plain ...
1
vote
0answers
128 views

How do I create a batch table for 3D Tiles in Blender

Blender 2.8 supports the export into gltf which can be converted into a b3dm file to use it as a 3D Tile in CesiumJS. How can I keep attributes on each feature in Blender so that they will be exported ...
1
vote
1answer
110 views

How to export Python animation to gltf from Blender 2.80?

I have some 3d objects that I use Python code to rotate. In the Blender preview this works fine. How can I export the animation caused by the Python code to gltf? The normal gltf export exposes the ...
1
vote
2answers
346 views

how to import .glb file in blender 2.80 beta using python api?

I want to import a model of bench in .glb format using python inside blender. What function am I supposed to use?
1
vote
1answer
398 views

How to bake roughness into green channel only for usage with GLTF (Blender 2.8)

I've got a node setup that uses the red channel of the diffuse map for the roughness. I've described this method here. This works really well for wood textures. The node setup looks like: I want to ...
1
vote
0answers
343 views

Blender 2.8 glTF Export Error

Still getting my feet wet with the glTF exporter in Blender 2.8 (May 8th build). I could use some help better understanding this error below. ...
1
vote
1answer
286 views

Export fluid simulation for usage in three.js

Is there any possibility to export a fluid simulation as an animation and import it in three.js? As I read in some threads it seems to be impossible to export a fluid simulation to a gltf, so I ...
1
vote
0answers
59 views

Blender exporter GLTF Kronos Group glTD Specular Glossiness as Metalic Roughness

I'm trying to export Specular Glosiness Material but in exported file always get Metallic Roughness with empty values. My setup for material "test" result: Using Blender 2.8 Beta: What is correct ...