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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21 views

Hair is inside the chin but not outside

I try to make fur around the mouth of a fantasy creature, but the hair on chin is in the inside. I don't have make anything with the particle edit yet, I'm still in the weight painting. I thought the ...
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1answer
6 views

Imported model from Steam version of Fuse has flipped faces when rendered. Flipping normals does not work

The title mostly describes the issue I have with Blender 2.8. When exporting the model from the Steam version of Fuse, I export it as a .OBJ file and box appears with multiple options: Export in new ...
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0answers
20 views

Bad Normals with Text Geometry

I am trying to make a Text mesh, but the normals aren't coming out right no matter how I recalculate them. Here is an image of my issue after converting to a mesh (and before): It just isn't smooth. ...
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3answers
41 views

Weird shadow behavior on mesh

I have some weird shadows on my objects. More specific it changes when the angle of view has changed. You can see in the first image the middle cushion is lightened and in the second image is darkened....
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1answer
15 views

How to mirror vertices on uv sheet

Sorry a newbie question... I have a UV sheet from a mirrored character using normals and displace. however at some stage some vertices have been moved resulting in a gap on the textures on one side I ...
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1answer
26 views

No vertext but looks like there is

I have an invisible vertex or something wierd and I dont know what it is. I added an image of what happened: One arrow shows a bend where there is no vertex - How? The other points to a darker color ...
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1answer
126 views

How to fix face orientation when using screw modifier

I'm trying to model a camera lens using vertexes and screw modifier like spline modelling. But face orientation is fully red and that becomes a problem when I try to use a boolean. Recalculating ...
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0answers
20 views

Baking the normal map from high poly mesh ends up weird. I have no more ideas how does this work

Well I just heard that for creating game asset I should learn how to bake normal map on the low poly model from it's high detail version. I tried to follow tutorials but no matter what my results end ...
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8answers
32k views

How to Combine two Normal Maps?

I made a high poly model and then baked its textures onto a low poly model. Now I want to give another normal map's details to the model. How can this be done?
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2answers
5k views

Export Vertex Normals into Obj File

I would like to export the from Blender calculated vertex normals into an .obj file. I realized that the amount of vertices in the .obj file does not equal the amount of normals (there are more ...
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2answers
628 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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0answers
9 views

Weird tearing on model

When modelling I will apply a turn the sub surf modifier back on and smooth shade my model and this tearing happens. Pressing Crtl+N doesn't fix this issue.
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1answer
20 views

How to get face normal's x or y axis vector (or matrix)?

Is it possible to get vector of the x or y axis of face's normal orentation? I know it's possible to get z axis of face's orientation like this ...
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0answers
31 views

Bevel Shader Appears Inverted

I am trying to create a simple rounded edge on a bunch of meshes but everything I have tried has resulted in the below image. The steps taken are: Add Bevel Modifier. UV unwrap see image Add Bevel ...
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0answers
31 views

How do I copy a mesh onto another mesh using the surface normal?

I would like to copy one mesh onto another's surface using the surface normal. I would like to specify a vertex group for this. I tried to use particle/hair for this but could not get exactly one copy ...
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2answers
151 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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1answer
26 views

Is there an alternative to the Geometry -> Normal Output?

This is the matte I need, created from the mesh with this ring displacement using the "normal" output. I will be using a different displacement in the end but I need this specific ...
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0answers
25 views

How to get consistent normals on a curved mesh

I'm trying to create a curved wall using a simple deform. I expected the normals to consistently point perpendicular to each face, but instead, there is a sudden change at different points causing the ...
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0answers
24 views

Modifying Vertex Normals

I am trying to create foliage for my game. However, the shading is weird and unnatural. So, I went on to research how to fix this. I found this image on Polycount that explains how to fix the issue. ...
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1answer
634 views

Move Faces along individual normals

I need a way to move multiple selected faces along their individual normals. When you google for this you´ll come along this solution. This solution is working exactly the way I would need to but ...
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1answer
142 views

How to bake normals from sphere to plane

I baked the normals from a sphere to a plane. If I change the view to lookdev it looks right. But if I change to rendered mode with a hdri enabled the reflection on the plane with the normal map looks ...
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1answer
1k views

Retopology and baking normals for double-sided (thick) clothes from Marvellous Designer workflow

I apologize for wording stuff badly in advance. I can't work out an efficient workflow for creating clothes with thickness using Marvellous Designer and Blender that incorporates retopology and ...
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0answers
17 views

how to do uniform normal scaling in python?

I have created this base and i also drew some arrows for direction of displacement. im essentially trying to enlarge the object. scaling occurs relative to origin and so the base becomes slightly ...
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1answer
24 views

Apply static bump map to normals in Blender 2.82

I'm new to Blender and graphics. I'm trying to apply a bump map to a mesh and export it in OBJ format, but I have two problems: The .obj file nor the .mtl file contains any information about the bump ...
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2answers
300 views

Strange normal map behavior in Cycles (Blender 2.80)

I have a problem with normal map baking from high-poly to low-poly in Cycles. When I apply the normal map on the rendered object appears quads, but in eevee this doesn't appen. The strange thing is ...
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0answers
16 views

why do I have multiplevertex normals per vertex

So, in model A I have vertex normals (in magenta) like follows: As far as I understand - this is how normals should be - one normal per vertex, storing three coordinates which I can access through ...
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0answers
12 views

Flipped Normals after export [duplicate]

My problem is that after I export my meshes to Ue4 it shows me that the normals are flipped. I tried both way, flipped and not flipped normals. This is what I get every time. Any tips what I might be ...
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2answers
455 views

Script to remove faces with significantly different normals

I have a mesh imported from a Structure Scanner that has some dirty mesh sections. I have a script that imports, orients and simplifies the mesh to this: However, looking from the inside shows that ...
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0answers
34 views

2.83 Make Normals Consistent?

Hey Blender Community, I am working on a Low-Poly tree model in Blender 2.83 and have the following problem: Because my tree is for a mobile game I want to have as few faces as possible. So I ...
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1answer
356 views

High poly from low poly with normal maps

I have some low poly models with nice normal maps. Is it possible to create high poly model based on low poly model and normal map? Subdivision surface doesn't work in this case, as it will create ...
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1answer
708 views

Bevel node, baking normal map problem

bevel node is still under development, but maybe somebody know how to fix problem when baking bevel node into normal map, there are a lot of gray dots on the map. Everything else working well, awesome ...
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0answers
23 views

how to fix normals shading issue?

I faced this problem when i separated a model into three models. In this scene I have three separated models (which If I merge them there is no space between them. In fact it was one mesh but I had to ...
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1answer
25 views

Normal Map Baking Artefacts on Complex Model

I have sculpted and retopologized a dragon model. When I try to bake a normal map using details from my high poly model I am getting artefacts on my normal map. I get much better results using a cage, ...
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1answer
251 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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26 views

Blender to Unity missing faces

I have a problem with missing faces. I made a blender model and it looks great. put it in Unity and it has holes in it. I found that is could be a normals problem so I looked up the orientation in ...
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0answers
31 views

Render Pass normal looks wrong

i try to use renderpass normals but i never get the result i would like to see. Does anyone know if its possible to get a normal render from the renderpass? left, render bad right, vieport matcap good ...
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0answers
20 views

How can I export a uv normal map from unity to other programs

Recently I started creating a room for my game, but I got stuck in a problem. In Blender I used smart UV project to my walls and added a normal map to them, the problem is: How can I export the same ...
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0answers
25 views

Calculate normals using single face direction

Could you calculate normals of an entire object referring to a single face to match up with ? I have this model, some of this model's faces are just single faces. Why some faces get flipped when ...
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0answers
16 views

Normal Map causes mesh to darken in certain areas

My mesh is purely sculpted and I did not bake any normal map from it. However, I did import the mesh into Quixel Mixer to get some textures on it and exported those texture files to use back in ...
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2answers
68 views

How does this normal map create surface imperfections instead of elevations/bumps?

How do you create a normal map similar to this? In this polyester texture I just purchased, I noticed that the normal map (instead of roughness) is creating the silky look as well as the surface ...
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1answer
15 views

Dark shadow on some faces, already recalculated normals and merged vertices

I'm encountered similar problems a few times and can't figure it out. I have simple low poly mesh, normals are correct and there are no extra vertices but still some faces look darker. flat shading ...
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0answers
16 views

Get Normal data from smooth Normal

I don't know about "Shade Smooth", but I hope you can help me there. If the mesh has "Shade Flat", then you can read every face with "polygons [i] .normal". Can I also read the "normals" from the "...
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0answers
22 views

How to get normal of the edge

In the Blender api, it is possible to get the normal of the vertex and face, but it is not possible to get the normal of the edge. Is there any formula for calculating normal of the edge or some other ...
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2answers
29 views

Issues with normals to create more depth

I wanted to create a displacement to create something like this. I have a existing metal texture applied to the object. This is how it looks like now I have included my shading editor for more ...
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2answers
31 views

Scale along face normal

When trying to scale the fire object along the top face normal changing the transformation orientation doesn't get the desperately wanted end result. The local and global axis will not align with my ...
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0answers
36 views

Normal map not showing up in render

I am following this tutorial about making an anvil, and I was first stuck on the normal map, but i was able to fix that. I had forgotten to UV unwrap my low poly mesh. But now i have another problem. ...
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0answers
11 views

Cannot fix normals with data transfer modifier after mirroring

I'm new to blender and I'm trying to mirror an object and apply (reset) the scale afterwards so the model has a positive scale in game engines (for correct box collider use). After importing my ...
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2answers
2k views

I have a model and a normal map, can I bake Ambient Occlusion from both?

So I know how to regularly set up ambient occlusion baking in Blender, and I have applied the normal map using Blender Render. However, whenever I try to then bake AO, it does not take the normal map ...
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1answer
334 views

How can I make my selected edges render at a smooth angle?

In comparison, Autodesk Maya had a normals modifier tool in the toolbar which you could select Soften Edge or Harden Edge. Soften Edge would make edges render up to 180 degrees giving it a smooth look ...
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1answer
77 views

Black Spots and Corruption During Mesh Edit

When I operate on my mesh, black spots and glitches appear. All the normals are aligned correctly and the UV is clean with everything in the right place. Here is an example of what happens when I ...

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