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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19 views

How do I stop all imported models coming in with blend mode set to 'alpha blend'?

Every OBJ or FBX I import seems to be set to 'alpha blend' inside of Blender by default. I have a lot of objects in an FBX file that I want to bring in, but they all come in as 'alpha blend'. I don't ...
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21 views

a .OBJ model can't be seen, is this a bug or what? [duplicate]

so i import a model that downloaded from a website, the weird thing is, it loads perfectly, i can see it on solid mode and texture paint but cannot be seen on Rendered mode. what is happening?
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1answer
36 views

Size of imported 3D-Mesh is not realistic

I imported a 3D-mesh of a coral fragment as an OBJ-file. The coral fragment is approximately 1cm x 2 cm. After importing it to Blender, I measured it and the size was way larger. The ruler function ...
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9 views

How to add color to .obj file for 3d printing service?

I am trying to add the texture to my .obj file properly so it can be printed by my 3d service, I am having a lot of trouble because it has a deadline. It's not a stamp texture, I have tried this in ...
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15 views

Using .obj/.fbx 3D scenes in Blender

I am trying to use and control .obj/.fbx extension type 3D scenes bought from Evermotion in blender. But I noticed that the lighting information is not preserved or something when i open these files ...
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1answer
56 views

AttributeError: 'str' object has no attribute 'dimensions' [closed]

i have a bpy code for taking in objects and exporting their bounding box as a .obj, but i keep getting this error whenever i try to copy the dimensions of the mesh: ...
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1answer
65 views

how to combine png,mtl and obj files and then export them as a gltf

totallly new to CG and havent a clue! :slight_smile: Please would someone tell me how to combine (simply) a png, mtl and a obj to create a gltf? Please bare in mind I have PTSD and am only beggining. ...
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1answer
14 views

How can I create an animation from a sequence of obj files?

I have a bunch of obj files of human heart, at different times. I'd like to turn them into an animated version(so that we can see the contraction and relaxation in animation), but how can I do that? ...
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19 views

Obj export : change mtl mapping path mode

I'm quite new to this, I tried to search for answer but I wasn't able to find a solution. I'm on Blender v2.83.1 and I want to export obj to upload into an other software, which seems to not know how ...
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20 views

How do I retain material(s) from a 3ds file(which comes with a gsm file) when converting it to obj?

Basically, I have downloaded some models from https://archive3d.net/. These files contain a 3ds, a gsm, and some texture files. So, to open them in the blender I convert the 3ds to obj but doing so ...
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1answer
34 views

mtl is not importing with obj [duplicate]

How to import a .mtl file? I have read many questions like this one above and cant seem to find one that helps. I downloaded a mewtwo model from here (https://www.cgtrader.com/free-3d-print-models/...
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25 views

How to convert .OBJ and .MTL along with separate textures to one large texture

So reading that title may confuse a lot of people, I mainly just want to take a .obj along with its .mtl and the textures and ...
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1answer
36 views

Import multiple obj files in separate collections

https://gist.github.com/p2or/af5bc4fae39b16f8d505 This tool work very fine but exist a tool that import also multiple objs in separate collections, each for every single file? Thanks.
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1answer
191 views

How do I properly export my model, materials and textures for use in a Fallout 4 mod?

So I'm brand new to blender, only started learning it last week so sorry in advance if I use the wrong terms, don't provide the right details or am asking something that is impossible to do. Basically ...
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18 views

Transitioning Mannequin models for use in SketchUp - OBJ or FBX and Sub Surf Modifiers?

I'm looking to purchase some Mannequin models to use in SketchUp because it's my primary modeling software. I mostly do architectural rendering so at the moment my knowledge of Blender is Part 4 or 5 ...
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38 views

Decimate and dissolve don't remove triangles!

I can't lower triangle count in my obj I brought in from Daz 3D. Right now there's no textures. I tried multiple numbers on Decimate and limited dissolve. I tried everything on these two other pages: ...
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1answer
36 views

Same faces for different objects

I am new to Blender. I have 2 objects (e.g 2 box mesh) I would like to export their properties as obj file using python scripting. I would like to export the vertex of both objects firstly, followed ...
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19 views

CAD Workflow, Add Update Imported model option to the FBX,OBJ etc. and keep materials

Is there a way to update the CAD geometry after it has been changed but keep all the Blender materials? I want to avoid having to re-apply materials every time that there are changes on the design. ...
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26 views

Exported OBJ has weird normal

To be honest, I don't know if it's the problem with the normals or something else. On the solid view, it looked fine. But, when I turned on material view, it gave this hollow-ed mesh looks. What could ...
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1answer
84 views

Import .obj error, Sequences of dimension 0 Contain 3 items, not 2

Good afternoon, I'm having issues importing a .obj file of the USS Ticonderoga (purchased from vendor). Whenever I try to import it, I get the error shown in the image below (sequences of dimension 0 ...
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3answers
72 views

Remove extra digits in OBJ file export

In my OBJ file (exported with Blender), I noticed that there are many digits: ...
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37 views

Importing OBJ with MTL and PNG doesn't work

I have very simple OBJ, MTL, PNG files which are linked. Here's my file (There are my local path in OBJ, MTL files) I can open OBJ with texture in 3D viewer (windows basic program). But when I import ...
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2answers
43 views

Imported Roblox obj Model looks weird

I tried to import my Roblox character as an .obj. But after I imported it, it totally looks messed up (like holes in it). Usually it worked a while ago! I hope you can help me!
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28 views

Alias file export with OBJ files to blender, How can I keep Object separated meshes?

As my title says, when I export my alias file as OBJ, and open at blender and then I join the OBJ files for a collection. How can I keep OBJ files separately when I put materials to OBJ after joining ...
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1answer
21 views

About obj files to export with textures

How to import a wavefront obj file with textures without having the mtl files as I have downloaded a model but it does not contains the mtl files it have only the textures and obj.
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14 views

.OBJ lacking "apply unit" scale option

I'm working on models that are much smaller than the default cube, which seems to lead to a number of issues (auto-merge kicking in too liberally, color ramp coverage being squished towards the center,...
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1answer
43 views

Can I import .mtl file without the corresponding .obj file to a blender project (.blend file)?

I know that .mtl file containing textures is usually associated with .obj and Blender loads .mtl automatically (in most case scenarios) when corresponding .obj is imported. But is there any way to ...
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26 views

exporting obj. file correctly from blender 2.9

I am kindly asking you to assist me with fixing my obj. file. I made a bottle model in blender 2.9, exported it as an obj. file and sent it to the client. But when he opened the bottle in Dimension ...
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57 views

How can I import a binary OBJ file sequence?

I've been using my own application to generate binary OBJ sequences and then import them into Blender for rendering purposes. In Blender versions above 2.8.2 I couldn't find a way to import the ...
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18 views

How to export vertex groups in obj file with faces grouped together

I am exporting an object with vertex groups as an obj file format in blender and for some reason the faces in groups don't get written in nicely organized sections but rather I will see one face for a ...
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89 views

How can I attach MTL to my OBJ?

I have made a 3d model in Scann3D app. when I export the model to an obj, it exports the MTL separately. When I put the obj into blender there is no surface texture. How do I bring the MTL into ...
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37 views

Import 3D curves without affecting their curvature

I have created a series of curves in Rhino. I also have a joined version of them. Obviously, the curvature of each individual curve matches its corresponding section on the joined curve as shown below:...
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71 views

How can I export georeference bodies and planes to ..obj maintaining all CRS georeferenced coordinate data

Using blender 2.83. Generated model with BlenderGis. Exporting planes and bodies only. Export to .obj files. Importing the .obj files back to blender 2.83 works but importing into other GIS does only ...
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1answer
37 views

Strange shading after OBJ import

I have strange shading after importing an obj file: When I zoom in, the face seem perfectly flat. I checked normals, they are ok. I also tried the "clear sharp" function, nothing changed. ...
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16 views

Replace textures with text in faces

I have cut an obj with a cube using a boolean intersection but when I exported it in the surfaces of the cube appear images of textures as you can see in image. Could be possible to delete, replace, ...
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1answer
119 views

How do I make my obj import operator preset the default option? [duplicate]

The default options for importing obj files are destructive, which is very bad. I'd like to alter the default options. I am aware that you can save a set of operator presets, but I can't see how to ...
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32 views

OBJ File Stops Being Smooth After Edits In Blender

I'm having someone modify a perfectly smooth OBJ file of a can for me (blue). But no matter what settings he uses in Blender, his modified OBJ file of a can (purple) gets sent back to me and renders ...
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1answer
66 views

Cut an imported obj [duplicate]

Good morning I have imported a obj with textures in blender and i would like to cut it and eliminate margins. in the image you can see several trees in margins, and i would like to cut and only remain ...
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0answers
33 views

OBJ not importing correctly?

[I dont know whats going on, I am relatively new to blender although I have used it for a decent amount of time. The problem is that every time I import an OBJ the textures always comes out very ...
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1answer
32 views

Is it possible for me to export an animation as an OBJ File?

I have been reading around and cannot seem to find anything that will allow me to save a model animation as an OBJ file that would allow for CFD analysis in a different software. Any help on how to do ...
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1answer
2k views

2.9x - How to import multiple obj files? [duplicate]

I just want to import multiple obj files into blender: The addon by poor from Import multiple OBJ files for Blender 2.8x on blenderartists does not seem to work for 2.9 anymore. Any help?
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1answer
31 views

How can I solve this .obj to .icn conversion problem?

I'm trying to create .icn models for homebrew PS2 save icons. Is there a way to export .icn files directly? or How do I approach ...
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22 views

importing obj duplicates entire scene?

so im making a roblox rig and im trying to import a different avatar model to add to the rig but when i import it then it duplicates my entire scene and doesnt import the obj? i tried restarting ...
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1answer
21 views

.obj exportation is not working properly

So i this problem with the exportation, the obj file looks fine in the 3d viewer but when I import it in unity it's all wrong, I applied all the modifiers but with no results.I tried to export it as ...
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1answer
325 views

Blender 2.92 Cannot import OBJ and linked MTL File correctly

OBJ Import ignores MTL File therefore not importing Textures at all. I have tested with several Assets from different Platform as well as my own export. All are imported blank. I followed the ...
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1answer
37 views

How to convert vertex colors to materials

Title says it all How do I convert vertex colors into materials? I need this because .OBJ doesn't export the vertex colors with it it doesn't need to be 100% accurate, if there were dark red and ...
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1answer
23 views

Export not Working

I am planning on using this model in a Unity game. When I try to export the simple drawer I made, both .fbx and .obj aren't exporting properly. Both the textures and details in the drawers are not ...
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0answers
10 views

Extracting a obj layout

i try to lod obj but it didnt loaden en für i tryied to lod obj files using dolo sj's obj loded with 8x extension but it didnt laoaded its corubt obj files seems ...
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0answers
13 views

How to make a .obj Animation [duplicate]

I got several .obj files from a face and i want too animate them like keyframing. However keyframing does not work since the .obj files might differ in small details. My simplest approach is: make a ...
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0answers
33 views

Imported object not showing up [duplicate]

I'm new to Blender (so hopefully this isn't too obvious) and I've recently been trying to import obj files but when I do, nothing shows up. I'm sure the object I'm importing is .obj, and when I import ...