Questions tagged [obj]

OBJ (or Wavefront) files are plain text files that contain 3D geometry data. Blender can import from and export to this format. This tag is specifically for questions about using files with a '.obj' extension with Blender and is not to be used for general 'object' questions.

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Import only textures from large obj file

I have two 3D laser scanned files of a complex object I want to model. One has a "medium resolution" and I used it as a reference to create the model with Blender. Everything's fine. Now I ...
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2 votes
1 answer
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How to invert partially inverted UVs?

I am having a weir issues when trying to export an object to a game, causing the UVs to be partially inverted. In blender the normals look fine, however in game only part of the normals appear ...
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Need help to convert a SKP file into an OBJ without having sketchup PRO

I would like to get an SKP object into my blender project but unfortunately I don't have a sketchup subscription, so I can't convert it in sketchup. So I wanted to ask if someone in this community has ...
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Can't Import/Export any kind of file

Operating system: Windows Blender version: 2.93 LTS Hi, I'm having a problem with the Import/Export of any kind of file (tried fbx and obj). It always reports this error Last line translation in ...
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modifying vertices of an imported obj object

[![What I'm trying to do here is to create distinction lines just like in cars. I modeled it in Fusion360 and imported it to Blender as obj. First I selected those edges that are highlighted as light ...
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Create unusuable preview of mesh

my problem is that I provide 3d models on a site where I wish to create downloadable previews for the users as obj's. The user should be able to investigate the mesh before buying it, without being ...
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Trying to add multiple "empty objects" to match origins of all individual parts in an OBJ

I have a cluster of objects that I am building a city from and each building has an origin that I have set to the center of mass for each building. Their heights are irrelevant for this task, so no ...
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How to gain control over the Material naming convention?

enter code here Is it possible to change the material naming convention? If I name the material "default_material", it will read as "use mtl ...
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1 answer
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Joining two identical OBJ's with different UV maps

I'm working with some model exported from a game (for the purpose of modding), however the current model exporter can only export to OBJ, losing any extra UV maps. If i somehow managed to get the ...
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Importing .obj files and rig info file with script

I have .obj files(mesh) and corresponding rig info .txt files. rig info files have information of joint, root, skinning, and hierarchy of joint. I want to import mesh and rig info to a Armature and ...
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1 vote
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convert OBJ file to GLTF with only CLI [duplicate]

is there a simple TERMINAL ONLY way to convert an .obj file .gltf file using blender, with blender GUI i can do it like, file > import > .obj > [~/path/to/input.obj] > import .obj then:...
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Can someone please help me get at the textures of this Sketchfab model?

For reference, the model is here: https://sketchfab.com/3d-models/otto-the-autopilot-7db2b78e311a44ac9b84b1bb6f768413. It's a very nice free model of a classic movie "character", the likes ...
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Exporting obj with no UV smoothing?

I want to export a model with uvs as an obj. Currently blender smooths uv charts (islands) at the seams, I don't wan that, I want a hard edge between each region. i.e if this is my model projected ...
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working with .obj - fixing mesh

I need good renders of some models that i have as .obj files. However, I have a feeling that they have very messed up meshes: Am I correct? As when I try to "shade smooth" it looks awful (...
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What causes a exported/sculpted/imported mesh as shape key via obj/fbx to blow up when shape key is applied?

Say that I have a very complicated .blend file that contains a mesh I would like to create a shape key for. It seems I should be able to export only that one mesh in .fbx or .obj, import it in a clean ...
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1 vote
1 answer
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What is making the colors on this object?

I've got a 3rd-party payware object that when imported into Blender contains colors that override the applied shader material. Where are these colors coming from? How do I make them go away? I count ...
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3 votes
2 answers
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Blender not saving new orientation after applying all transforms when saving as .OBJ file

I am new-ish to blender so I am hoping this is an easy mistake and not a bug. I am creating basic 3d meshes in the Blender GUI and saving each as an obj file. However, they need to be rotated 90 ...
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OBJ Sequence export fail

Hi I'm trying to export a 400 frame animation (3D character) as a Wavefront Obj sequence (for use in Element 3D/ After Effects) but Blender is only exporting a single Obj file (and Mtl file) even ...
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Object looks like a wireframe after exporting

I created a solid object that looks solid in Blender, but when I export it to obj it looks like a wireframe. This is how it looks in Blender: And this is how it looks after exporting it: Do you know ...
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1 answer
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NaN values in exported OBJ file

For some reason when I export my model as OBJ file, it contains some NaN values instead of floats (in normals section, like "vn NaN NaN NaN"). Can anyone tell me why is that or how to avoid/...
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blender export incorrect textures with .obj

I'm a total beginner on blender and I recently tried to use textures. Here is the object I apply the texture on. When I export it as .obj file (associated with .mtl) and then import the new .obj file ...
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Connect .ply object with .mtl file from obj object?

I've created some files in MagicaVoxel and I usually export them as obj with a matching mtl file, this works perfectly with blender but now I need to export my files as ply and MagicaVoxel doesn't ...
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1 vote
1 answer
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Obj models with material transparency issues

I am working with a couple .obj formatted models that i downloaded from adobe stock. They both have identical transparency issues. I can't tell if this is related to issues with the materials, or this ...
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2 votes
1 answer
46 views

Problem when creating and applying new texture to imported OBJ (Python API)

I'm new to Blender (and to Python), usually using Rhino+Grasshopper. I try to create a workflow so I can automatically import an obj file into Blender, apply a new texture (I could also do it with a ...
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Batch importing OBJs one by one

This is my first time posting in a the forums. I'm very new to python and blender, and am currently trying to use a couple of scripts i borrowed but am having issues with the way the script loads ...
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51 views

Exporting 3DS Max File to Blender with correct Layer Hierarchy

I was wondering for a way to export 3DS Max files with Layer Hierarchy and materials to Blender. Until now I have tried the following ways, but without much luck. Exporting as .fbx file from 3DS Max ...
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When I import a obj. file the textures aren't there [duplicate]

Theres both the obj. file and mtl. file. for the model but only the object got imported (no textures) anyone knows how to fix this.
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Daz not exporting hair

I have tried exporting a model from Daz to Blender. the model exports but the hair on the model does not. I have tried it with both the strand hair type and Toulouse hair and nothing. I have tried ...
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141 views

export mesh with color per vertex to .obj file with .mtl and texture image

I have a bunch of .ply files which contain the color information per vertex. Now I would like to create a python script that transform and export these to .obj files with the corresponding .mtl and ....
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Textures & Exporting as OBJ (No textures on exported object) [duplicate]

I have followed various guides on how to attach textures to models using nodes, as well the baking method. I've tried searching this somewhat extensively but have yet to find a solution to my problem. ...
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Import sequence of .obj files, with same vertex order (and count)

I have a sequence of .obj files. Each file has the same number of vertices in the same order. I'd like to import them such that they're the same object, but animated (I can't use .mdd format as the ...
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1 answer
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Why are the quads on this imported obj refusing to show smooth when looking from the right?

I have imported a model from turbosquid as an obj and set up the normal and the opacity that was included with the model and the UVs seem to work fine. For some reason every quad is showing as a try ...
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0 votes
1 answer
107 views

Import .obj file results in nothing but the name being imported

I asked this question already and got zero useful responses. Trying again. (Note: I'm new to Blender. Before I commit a lot of time to trying to learn how to use it, I'd like to be reassured that it ...
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1 vote
1 answer
50 views

Can Blender import Carrara files converted to OBJ or 3DS?

Long term hobbyist-user of Carrara (formerly Ray Dream Designer) on MacOS. The last version I purchased was 8.1.0.151, dating back to about 2011. Recent changes in MacOS have rendered this app ...
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0 votes
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Crashing on Export (FBX)

I'm only able to export my mesh as OBJ, though I really need to export as FBX directly and whenever I try it keeps crashing as soon as I name my file and hit "ok". I tried exporting as OBJ, ...
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1 vote
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My imported 3d model is weirdly textured with transparent and depth issues making it look bizarre even when rendered

I just imported this wooden house OBJ from a free 3d model website, turbosquid I believe. It came with textures but was originally a hot pink color so I have to use the "find missing textures&...
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1 vote
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How to smooth object imported from AutoCAD?

I have been modelling this product and the surface seems to be irregular. I have tried multiple methods to smooth en this but not successful yet I have imported this file from Autocad as a .obj file. ...
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Blender crashes when importing FBX or OBJ from Mudbox

I exported a project from Mudbox once as an FBX and once as an OBJ, tried importing them both into Blender (separately, of course) with the same result: a crash. Anyone know why this might be? I'll ...
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25 views

Very weird error after import .OBJ

I sometimes get this error while importing an large .OBJ file. The Mesh is completely broken. Can someone help me, please?
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72 views

OBJ. or USDC file doesn't work in PROCREATE APP, is this UV map fine?

Let me tell, this is a great community here, very helpful questions and answers thank you all... I'm a newbie in Blender and currently working on a wirelike shaped model which I will be 3D coloring ...
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Why does this box have a darker lower half? [duplicate]

I downloaded a box model from TurboSquid and found that it has this darker lower half that I don't know how to get rid of. Any help would be appreciated (total newbie) Here's what it looks like in ...
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65 views

How do I export from Blender to .obj file without there being hundreds of files?

I am trying to export my Blender project to a .obj file, but everytime I do, there are a million little files created: From a simple cube it created literally 500 files. I followed a tutorial on ...
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1 vote
0 answers
60 views

Import volumetric video (OBJ sequences)

I have a set of OBJ files (1000+) with the associated texture maps as JPG files. I want to import those into Blender using the Python API either sequentially or all at once and play them while ...
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How to export node tree to mtl [duplicate]

I created a nice "Pattern" using the node editor, When I try to export it to .obj and .mtl file and use it in website, using Three.js. But I found my nice pattern were gone, only the basic ...
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Imported Obj "Tears" visually but not in the mesh

Been having an issue with certain objects modelled in Sketchup and exported as Obj into Blender. On import faces occasionally have this bizarre visual tear that I cannot seem to get rid of. A ...
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1 vote
1 answer
221 views

Blender import - What's the difference between Wavefront and Alias Mesh?

I'm building a project that has a PCB (printed circuit board). I designed this using EasyEDA - Link to the project I exported the 3D model from it. This creates an ...
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OBJ group tag as just material name

I have an issue with exporting as an OBJ where no matter what I try I can't get the "g" tag in the OBJ file to be assigned to the material name, is there a script that could rename them or a ...
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0 votes
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Issue when importing an Adobe Fuse model

I'm trying to import a model that I made with Fuse. But everytime I try to import my .obj model I have this message. If you have any solution I would really apperciate ;)
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1 vote
1 answer
204 views

OBJ import coordinates

Importing OBJ files in blender gives positions that don't (textually) match the .obj file. That is to say, a vertex that has position ...
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40 views

Encode Wavefront obj file directly without saving it in directory

In Blender 2.93 scripting, I want to create an Wavefront Obj file upon a Flask post request. Originally my workflow is like this: ...
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