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.

Filter by
Sorted by
Tagged with
0 votes
0 answers
26 views

Stripes on 3D model [closed]

I have a problem with color on 3d model. When I convert obj to gltf it has a strange stripes on them.
0 votes
1 answer
15 views

Why isn’t blender generating texture indexes in Obj Export?

I have been having issues with some obj files exported from Blender, and finally found the issue. In some cases the texture index is blank in the face elements portion of the obj file. I have tried ...
0 votes
0 answers
13 views

Converting .obj to .dae using subprocess or concurrent.futures?

I have tried quite a few ways to convert a few thousand .obj to .dae using various methods. Concurrent futures I assume does not work because bpy is not thread safe....
  • 11
0 votes
0 answers
22 views

How to import .obj model to blender with the texture that have multiple material?

So im newbie on blender and wanted to make an edit or view the 3d model on blender. I can already import the .obj file with File > Import > Wavefront, but it is just the model not the texture. I ...
0 votes
0 answers
11 views

Exporting OBJ file with transmision

I'm trying to export a simple model with materials. According to the blender manual - Import & Export of Node Shaders - it is possible to export simple Principled BSDF info with OBJ. My object has ...
0 votes
0 answers
17 views

Getting vertex and normal indices to match when exporting mesh?

I am exporting a model as an obj. I want to store one normal per vertex, meanin I want the index of the normal and the vertex to be the same. I am getting this on my exported file: ...
  • 175
0 votes
0 answers
34 views

How do i make an object follow a line correctly? [duplicate]

So i want an object (A dragon) to follow this line, which begins and travels normel with a slight bend and after some time it goes into a sprial and ends, the line has points in all coordinations, ...
0 votes
1 answer
20 views

Blender model creates different format of 'f' records in exported .obj file

I exported a model from blender to an obj and I want to use it for a game that I am making. The problem is that the format of the F in the obj file is different. This is what my obj file contains: <...
0 votes
0 answers
54 views

Importing .MTL Files with .OBJ

I recently purchased assets from Master 3D Reality. When I import any .obj file, I'm not able to see the image textures. The .mtl file came with the model along with the image files. I'm not sure ...
0 votes
1 answer
40 views

Blender 3.4 OBJ 100X scale issue while export/import to/from other applications

I am trying to exporting models from blender to import in Marvelous Designer 12. Both application's unit setup is set at Centimeter. But still object appears 100X smaller in MD then Blender. Tested in ...
0 votes
0 answers
38 views

Export vertex colors in a mesh with no faces?

Basically, what I'm trying to do is export some kind of custom per-vertex data from blender. The closest thing I've found is: according to this post, blender can extend the .obj format to include ...
  • 1
0 votes
0 answers
11 views

Export 3D Object with transparent/mix shader texture [duplicate]

I'm using Blender 3.4 , trying to export a 3D object (either OBJ or FBX). My problem is that when exporting, two of my materials are not showing up. These materials are transparent images on top of a ...
  • 3
0 votes
0 answers
85 views

How do I batch export meshes into .obj files (NON-LEGACY)

When I try to batch export a series of meshes using the template python script, it turns them into Wavefront(.obj)(legacy) instead of the normal .obj Even though normal .obj and legacy .obj have the ...
0 votes
1 answer
38 views

obj file cannot be opened or imported to blender. how to change the type of mesh?

recently I have been working on a project that requires the use of obj files but sadly obj file exported from photoshop cannot be opened on blender if I where to import I instantly get this error: <...
0 votes
1 answer
113 views

Geometry tab missing when importing obj files

I could not find Geometry tab in obj import dialog in latest Blender (v3.4), it was there in v3.0. Since my model is generated dynamically, so sometimes I need to confirm vertex data in Blender, so ...
0 votes
0 answers
14 views

My Blender is slow and laggy and crashes during render for multiple OBJ files

I am working on a project involving 3D models of Berlin city. I have multiple tiles of 3D mesh models in OBJ format. My Blender starts to get slower and laggier as I import more OBJ files and when I ...
0 votes
0 answers
32 views

Error message when importing obj file

I try to import on .obj File and this error message pops up. When I try to import another obj exported file from the same program it works. Can someone pls tell me what is wrong with the file / or ...
  • 91
1 vote
1 answer
48 views

Volume colonization by capillaries/roots

I'm trying to render a 3D space (defined by an object) occupied by randomly generated capillaries or roots. Imagine a gel with blood capillaries developed inside it. The result would be something ...
0 votes
0 answers
16 views

3D orbit outside of Blender [duplicate]

Hoping someone can help me. Can anyone advise on how i could create a 3D model in Blender, but then orbit and zoom etc around it outside of Blender. I work for a company that makes Web Based Trainings,...
  • 1
0 votes
0 answers
28 views

How to import armatures into Blender correcty

So whenever I try to import a mesh into Blender, the armature is always messed up - the bones are tiny and\or rotated incorrectly. It can be from a game, DAZ or downloaded mesh, either format - fbx, ...
0 votes
0 answers
19 views

How to animate assemble animation?

I am really new to blender. I have serval .obj files and each obj file represent a primitive. My goal is to animate the process of generating a CSG trees. My issues are follows: #1 is there any method ...
2 votes
2 answers
312 views

How can I import an OBJ with Vertex Colors into Blender 3.2?

I've got an OBJ file with vertex colors, created by a machine learning script (PiFuHD). I want to get the mesh and colors into Blender. As far as I can tell, there's no way to change the output format ...
0 votes
0 answers
30 views

Import error : how can I see .obj objects correctly in Blender?

I wanna import .obj file with texture to make city scene. So I downloaded mesh : .obj , material : .mlt , texture : .jpg .. Then I imported .obj in blender and I successed. But I couldnt see any ...
0 votes
0 answers
23 views

.obj/.mtl export, bump map + bump multiplier (`-bm 1.000000`)

In an exported .mtl file, after defining a normal map for one of my materials, I get this: map_Bump -bm 1.000000 brickwall_normalmap_128.png The ...
0 votes
0 answers
40 views

Vertex index out of range when importing .obj that was exported from blender

i'm working on an art application in visual studio, and tried to import this .obj file that was made on blender. https://sketchfab.com/3d-models/darkness-devil-chainsaw-man-...
0 votes
0 answers
102 views

How to export from a blender file the .obj and .mtl file with texture

I am new to blender. Here is my need. I downloaded nice 3D models, e.g., from here. It includes a .blend file and the Texture file in jpg. When I open the .blend file, I can see the object with ...
  • 1
0 votes
0 answers
33 views

Blender import obj, re-scale, and export fbx

Im making script for converting obj to fbx. In folder I have few obj files. What I need to achive. Ideally will be if blender will pick one obj file convert and export to fbx. Move fbx to another ...
  • 21
0 votes
0 answers
57 views

IFC to OBJ conversion

Afternoon Brand new to this, so apologies if I'm missing something obvious. I'm just trying to use Blender to convert an IFC to an OBJ, without changing any properties. I'm importing the IFC with ...
  • 1
0 votes
0 answers
356 views

TBSCENE extension

I stumbled upon a 3D model that has this .tbscene extension file. In general, the folder with the model has an .obj file and a .mtl file. The thing is .mtl file doesn't specify any texture files, so ...
  • 11
1 vote
0 answers
60 views

How to import obj file without material

I have a script that repeatedly imports and deletes different .obj files. But since the files are imported with standard empty material, a lot of garbage accumulates. Is there a way to import files ...
0 votes
2 answers
54 views

Voronoi object for CNC mill

I have been using Blender for some time now but I am unable to solve this problem that I have. I need an object with Voronoi textures similar to the picture attached but I need to be able to change it ...
  • 1
1 vote
0 answers
77 views

Imported OBJ is super dark

I did a 3D scan, imported the obj and removed the material. For some reason, it shows up super dark in the viewport and in cycles render view. I've played with the materials but it keeps showing up ...
  • 11
0 votes
0 answers
17 views

Bake Mesh Analysis and Render into Model

My experience with blender is minimal so I've been having difficulties with this. My goal is to have a 3d model in an obj format that is colour coded to thickness of the model. Having gone through ...
1 vote
1 answer
216 views

New Wavefront obj importer - Split by Object?

Using Blender 3.3.0, the new importer for Wavefront obj is no longer experimental, the python addon is marked legacy. There is already a proposal to completely remove the python version a couple of ...
0 votes
1 answer
125 views

OBJ import creates messy geometry, what is going wrong?

I'm having problems importing a public source file containing 3D buildings in The Netherlands into our 3D BIM software ArchiCAD. The website (https://3dbag.nl/en/viewer) offers 3 types of files, ...
  • 3
0 votes
0 answers
24 views

OBJ File only has color when in my documents folder?

I am trying to 3D print a model at my local library, and need to have an OBJ file of my model. When I export it, the OBJ file only shows color when it and the MTL file are in my laptop's documents ...
user avatar
1 vote
2 answers
812 views

What's the difference between the normal and legacy wavefront .obj exporter?

I'm using version 3.3, but I think it's been this way awhile. What's the difference between the legacy wavefront .obj exporter and the normal one? Why are there two exporters at all?
  • 11
1 vote
0 answers
47 views

Modifying a script for splitting a terrain into chunks and exporting each resulting object

This is my first post on the Blender StackExchange, so I hope that it's well received :) Essentially, I'm making a 3D game in Godot, and for that I need to divide my terrain up into chunks. I've ...
0 votes
0 answers
15 views

Add landmarks to avatar obj

I have some 3d coordinates from a 3d boy scan that I would like to add as landmarks to my avatar e.g. to show accurately where the waist measurement has been taken. Is this possible in Blender? Thanks!...
  • 1
0 votes
0 answers
20 views

Separate joined mesh for kitbashing

I have an imported .obj with several pieces that I want to seperate for kitbashing, but instead of doing one by one is there a way to automate it?
0 votes
0 answers
10 views

Issue when applying an image as texture to a 3D white wall

I have been trying to apply a PNG pic as texture/background to a simple 3D white wall OBJ file. I have 2 versions of this wall (both found online on https://www.cgtrader.com/). Version one is simply ...
  • 1
0 votes
0 answers
20 views

IFC/OBJ Import doesn't show anything (scale is not the problem)

I asked the question a couple of days ago already but couldn't get a solution yet: I tried to import IFC 2x3 & 4.0 once its done importing (which takes up to 2h to read a 51MB IFC file, which is ...
  • 1
1 vote
0 answers
78 views

How to stop the new OBJ importer/exporter from printing to console

I would like to stop the new OBJ importer/exporter (bpy.ops.wm.obj_import()) from printing to the console. Previously with the old OBJ importer/exporter (...
  • 111
0 votes
2 answers
50 views

Why do black artifacts appear on exported model?

Why do black artifacts appear on the faces of my model When I export it to .obj format? I use Blender 3.2.
0 votes
0 answers
22 views

Obj (Made with Inventor Profesional 2020) to Blender has problem with reflections

I want to make renders in blender with objects (with Texture) made with inventor,but when i do so, there are specular reflections everywhere. I tried to fix it but can't I have tried many things like ...
0 votes
1 answer
26 views

Filling a hole in object

All tutorials I have checked say to do the same thing, but on my end it isn't working. You should select vertices around the hole, and press alt+f. But for me blender shows message "No faces ...
3 votes
0 answers
98 views

Inconsistent order of vertices/faces in obj files animation

I'm creating old-school renderer, where I'm trying to interpolate between obj file frames. After exporting skeletal animation to multiple ...
0 votes
1 answer
154 views

Model won't show up when imported

I've imported an .obj file but can't see the object. It shows up listed in the Outliner, but I can't see anything. When I press NumPad ., I see this shown in the screenshot instead, which is still ...
0 votes
0 answers
43 views

Converting obj which is world coordinates system into local coords seems inaccurate

hi i already asked this question to stackoverflow but i'm asking here too. Tell me if it should be problem. I tried to convert obj of world coords system into obj of local coords system using geopy ...
0 votes
0 answers
31 views

uv_0 and uv_1 looking the same

im very new to blender. I'm trying to data transfer the uv_1 map from another mesh to mine, but it just stays the same as the uv map i did in marvelous designer. I will insert pics to explain better. ...