Questions tagged [normals]

Normals describe how faces and vertices are oriented and can be used to aid various calculations and effects. This tag should be used for questions regarding normals in Blender, from uses to issues.

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28 views

How to access custom normals from python

How to access custom normals (for export) using Python API for Blender 2.74? Need code sample. I have successfully imported custom normals with code: ...
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1answer
50 views

Mirror modifier - the mirrored half is darker

I am working on a complex project with different 3D models I downloaded from the internet. I have to mirror many of them relative to the global x axis (I used a plane as mirror object), but as you ...
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21 views

I cannot bake the high poly details to low poly model

As in the title, i am trying to bake the high poly details to low poly model, but it just doesn't seem to work. I have tried using different ray distances but this only makes the text disappear. At ...
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17 views

Cycles normal map not working / conversion weird

I'm working with the 2.8 release build and I have a problem with normal maps. It seems like I'm missing a basic thing in the conversion of normals into cycles. My setup is as straightforward as it can ...
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24 views

Shrinkwrap snapping wrong way?

Why isn't my new mesh staying above my sculpt? I started around the nose area and it was originally on the outside but very quickly after creating just a few more faces they stopped snapping to the ...
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28 views

Importing .obj, normals appear randomly flipped

I am trying to import a .obj model in Blender. The .obj in question can be downloaded from https://poly.google.com/view/9pffFcv7LSm. When I import the model in Blender, most of its faces look inside ...
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1answer
106 views

Magic box, objects inside visible only through hole

I'm on Blender 2.8 and I want to create a special shader, which is harder than I thought. I want to create a box, which contains more objects inside. The front face is a hole where we can see the ...
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1answer
34 views

Why does applying smoothness to a mesh reduce the number of vertices?

I was playing around with Blender meshes and importing them into Unity when I made an interesting discovery. In the tool shelf, under "Shading", there is a Smooth button and a Flat button. Now I ...
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28 views

Trying to bake feather detail onto a bird but result is pure Chaos, Help

As stated, I am baking feathers onto a bird's body but the result when baked looks like pure chaos. I thought this would work out because it worked great on the wing. The feathers baked great to the ...
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1answer
35 views

Weird see through geometry in orthographic view

I'm importing an object into blender and for some reason it looks fine when in perspective view but as soon as I switch to orthographic view some of the faces disappear/are rendered weird. I thought ...
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35 views

Extruding edges into cards?

I'm modeling cacti at the moment and wondered if it was possible to use the base shape's edges to create needle cards somehow. I've tried to duplicate the wanted edges into a separate object from ...
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25 views

How can I selectively change custom split normals in python

Using 2.80. I have a solution how to get the wanted loops via the bmesh faces. I can set all split normals at ones with normals_split_custom_set. But for this to work I need to read the old normals so ...
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1answer
32 views

Wierd shading of nomals

Ok I have no idea what is happening here. The back side of my faces shine through the face in front. I activated "show face normals" so it is better to see. First I thought my typology is mto bad, but ...
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1answer
112 views

Blender 2.80 fix normals after boolean

Hello, I am looking for help in solving my problem, I used Boolean for my tire, the result is visible in the picture, I have been doing the tire 5 times and I have the same effect all the time, please ...
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22 views

Problem with Baking Normals in blender

From the image you can see the render looks great but every time I try to bake normals it looks yellowish like the image, can someone tell me what am doing wrong,or if there is another way to bake ...
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25 views

Baking Normals in blender

When I try to bake normals using the settings in the image the normal bakes with weird colors and the object is unwrapped no doubles or inverted normals, can someone tell me what am doing wrong,thanks....
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1answer
112 views

Normal Problem in Unreal Engine

I have applied scale, recalculated normals, properly unwrapped my models, but no matter what I do, when I export it, and open the model in substance painter or UE4, the normals are all messed up. The ...
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3answers
112 views

Fuse cc to Blender 2.8 flipped normal issue

i am having an issue with importing Fuse characters i make, when i import the obj file into blender 2.79b/ue4/paint3d the model looks fine, when in 2.8 the normals are all out of wack wondering if ...
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1answer
29 views

Trouble baking normals to face

I'm having a little trouble with a normal bake on a face. I unwrapped the low poly head and baked a normal onto the texture from a high poly version. The normal texture looks good but I'm getting a ...
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28 views

Proper and easy way to connect nodes

still learning Blender, I find myself dealing with textures. I downloaded models and among the .obj file, I also have a normal, bump, glow, diffuse and specular image. Now, in the shading panel, I ...
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9 views

Vertex normals don't update after applying Weighted Normals modifier?

Is there any way to see the result of a Weighted Normals modifier on the actual displayed vertex normals? I've enabled vertex normals in the Overlay, but they don't change when I create or apply the ...
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1answer
39 views

Bogus face in 2.8 mesh

My mesh shows what looks like a bogus face normal. The mesh and screen cap show the problem. Some holes still show a face normal but no face can be selected! I got to this point by creating a ...
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1answer
39 views

Reset Normals directions to object rotation after applyed scale

I hope im not missing something easy,but i have this problem. Was moving with gizmo by normals this object and was all right.Had to Apply Rotation and Scale,and after that the normal gizmo just reset ...
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Can you fuse a low poly mesh and a normal map to make a high poly mesh?

Basically I have the low poly mesh and the normal map, but lost the high poly mesh. So I wanted to know if there is a way of getting the high poly mesh by fusing the two things I have. Edit: I also ...
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1answer
148 views

Why OBJ export writes face normals instead of vertex normals

I am confused by the content of OBJ Blender exports. When I export a (default) cube object (8 vertices, 6 faces) to OBJ and then inspect the OBJ file, the "vn" entries obviously correspond to face ...
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2answers
72 views

Strange shading fragments on mesh

can anyone help me? I've just finished texturing a model I made. After I import the mesh and the textures in UE4, I've encountered this shading fragments. This are screenshots on UE4: This is how ...
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21 views

scale along normals doesnt connect the edges

So i have been following this video tutorial https://youtu.be/jBqYTgaFDxU?t=1628 up until the timestamp everything is good, then he proceeds to using Alt+S to Scale along the Normals and he gets his ...
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105 views

Clear Custom Split Normals Data - Many Objects

I'm struggling with clearing custom split normals data from imported objects. I've found the following script to do it on many objects: ...
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2answers
76 views

Inverted normals are barely visible in 2.8 version

Is there any way to make inverted normals more visible like in 2.7 version. I tried diferent 'Studio' setups and matcaps, they dont help much. Surely i could check 'Backface culling' but I would ...
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2answers
75 views

Baked normals Look a Strange

For a few months I'm researching and making little tests to better understing and optimize a LowRes Workflow, And this "error" continue to occurs on this particulary model that I'm working on, It was ...
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1answer
40 views

What's wrong with Automatic Weights doing to my Normal?

I'm having trouble with my model in Unity.. I made the model with Blender, put on the Armature(using Automatic Weights), and found everything works great. But as you can see in the image, when I took ...
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2answers
52 views

UV's and Normals

Question 1. Is about normals. To my understanding there is a way to visualize them better red being faced inward and blue being faced outward or something to that nature. Sometimes the lighting in ...
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29 views

Boolean Not Working Properly (Partial Cuts) [duplicate]

I'm trying to make a click pen mechanism, where a piece in the center of the cylinder in 1 spin locks in place, and in another spin it slides into one of the slots. I need to cut out part of a ...
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28 views

Not sure why split normals remain in the same position after smooth shading applied

In this image you can see that I have two connected planes and I am showing the vertex normal and the split normals. I do not have smooth shading or auto smooth on. This is how the last image ...
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1answer
102 views

Is there a way to bake a model's normal map in chunks?

I'm very new to texturing in Blender. When baking the normal map of my model, it is unable to render correctly because my model has too many varied spacing lengths between geometry to have a "ray ...
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1answer
100 views

How do I merge smoothing shaders seemlessly without joining objects?

I'm having an issue with creating a game asset for the Creation Engine. I am trying to have two objects, a head and body, match seamlessly together without joining them. They don't and it's because ...
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16 views

Artifacts on cycles render [duplicate]

I got this weird box artifacts on my model: I thought it was the normal map, so I removed it. But it's still there: How can I get rid of it?
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1answer
6k views

display face normal direction in blender 2.8

how to know if the normals of an object is flipped or not. cause 2.8 has only the same colors of normals and i cant identify if its a flipped normal. unlike the previous versions that there are to ...
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2answers
49 views

Why is this simple primitive shaded so weirdly?

I made sure everything is quads , I've checked the normals, I've unmade and remade all the faces, no luck. Why is the shading still so weird? All I did to create it before I started trying to fix ...
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1answer
26 views

How can I combine two displacement without the face normal changes of one screwing up the other?

I'm looking to apply an animated displacement to a surface which has already been displaced with a cloud texture (creating an organic lumpy base surface). It should look like this... ...applied to ...
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48 views

Normals not completely baking

So, I'm trying to bake a high-poly mesh onto a low-poly mesh. I made sure to check the "Selected to active" box. And I've played around with the ray distance. But no matter how I tweak it, the normals ...
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0answers
37 views

Normals of exported Blender model (.fbx) are not correct displayed in gameengine (CRYENGINE)

You can see in the first picture that the normals of the left pillar are not correct displayed. This happens with all "subobjects" in the model that are duplicated AND mirrored. The model is created ...
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1answer
417 views

How to get perfect baked normal map?

I am pretty new to blender and I am trying blender 2.8. Whenever I am trying to bake normal map from a high poly mesh to a low poly mesh using cycles render, the results are not accurate at all. I ...
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13 views

Baking only works when I restart Blender

I have a model with many separate parts and I need to bake all of the normals onto one map, but baking only seems to work when I restart Blender. Is there any way to fix this? Thanks. I made a video ...
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20 views

Can you extrude along custom normals?

Here's a UV sphere; a panel has been cut into it. These are its vertex normals: These are its face corner normals: These are its face corner normals under a Data Transfer modifier from an intact ...
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1answer
153 views

How can I change Blender's output image resolution?

I am currently trying to make a normal map for a texture I made. That texture has a 2048x2048 resolution. When I bake the normal map and save it to my desktop, the resolution of the normal map is only ...
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3answers
1k views

How to enable auto smooth option for unreal engine?

When i export my object into ue4 it looks awful without auto smooth option I see auto smooth is disabled in unreal engine. Is this possible to enable auto smooth for unreal engine ?
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85 views

Solidify Modifier and Rim Surface Normals

I’ve built a character surface and I’m using the Solidify Modifier to give that surface thickness and turn the surface into a shell for 3D printing. The shell must be divided into sections to be ...
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0answers
51 views

Baking through python

The script I have now imports an fbx, deletes the existing material and assigns a material that comes with the .blend scene. Then the idea is to bake out the cycles normal after, but I'm getting a ...
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1answer
106 views

Modeling a picture frame

I'm doing a VR Museum and I need to model some painting frames (picture for reference). I know how to make the basic structure of the frame, but the organic details are what's really bothering me. Is ...