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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16 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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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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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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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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3answers
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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
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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
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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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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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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
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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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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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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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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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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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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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Yellow, Red and Green normal map

I have a model with four textures -- an albedo map; a blue, teal, and green texture labelled with 'Mix'; an opacity map; and a texture labelled with 'Nrm' which I presume means it is a normal map of ...
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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
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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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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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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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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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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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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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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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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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1answer
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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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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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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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1answer
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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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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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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
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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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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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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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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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Surface of mesh looks destroyed in rendered view with terrible artifacts, what happened and how do I fix it? [duplicate]

I really hope someone knows what this is. I was working in my file and everything was fine. I had been periodically checking the rendered view and everything was fine, until it suddenly wasn't. Now in ...
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Question regarding using Shrinkwrap+Data Transfer modifier to blend shading between meshes

I'm relatively new to Blender, currently following the CG Masters car creation tutorial using Blender 2.8. They use the shrinkwrap and data transfer modifier in the tutorial to blend different meshes ...
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1answer
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Edges become sharp after flip normal

I import a model from binary data and figure out that its normal vectors are in wrong direction. After flipping vectors, the faces do not look smooth like before although I try to use "Shading/Smooth ...
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How to fix the stretching in my Normal Map?

I was following along this anvil tutorial, and I was to make a normal map of the mesh I made. I had sculpted it, and was ready to bake the sculpted, hi-res mesh with the low res mesh. When I followed ...
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1answer
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Trouble baking normals from a high poly mesh to low poly mesh using Blender and Substance Painter

This is a bit of a mixed question as I'm using both Blender and Substance Painter. I am hoping that someone with a Blender > Substance workflow knows what's causing my frustration. I am following <...
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Help! Normals rendering every edge in substance and marmoset!

Teaching myself blender and am having a blast, but during test bakes im running into this issue that has me smashing my head against the key board. No matter how many times i smooth, sharpen, or ...
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Can I create an stop motion animation with different 3D scans per frame?

If I had a real life stop motion animation of a character that I photoscan each frame to generate a mesh and texture object, is there an easier way of showing these scans per frame other than having ...
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Fix a seam on connected objects (probably normal related?)

I am looking for help with an issue I've encountered while editing a mesh extracted from a game. Basically, I have two objects that are connected together but UV mapped differently, so I can't joined ...
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1answer
29 views

Blender Mesh to UE4: Correct normals but missing faces

i have imported the following Blender Mesh as a fbx into UE4 getting the following result. The Mesh might have some incorrect normals, but the result I get in UE4 implies way more incorrect normals ...
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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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how to display the face strenght of normals?

I'm confused about what "normal face strength" is. I thought normals were just normalized 3D vectors that point to either side of a face, I didn't know they also had magnitude or "strength"value. I ...
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1answer
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Why does it look like the skin of my character model is peeling when I join the hands to the mesh in Blender 2.82?

I'm nearing the end of my first male base mesh sculpt in Blender 2.82, but when I either boolean or just join the hands to the arms there's a sort of skin peeling effect. This continues all over the ...
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Grass Hair Particles not lighted correctly

so I've been working on a scene using hair particles instancing grass meshes. Now that I tried to set the lighting up using sun(s), the grass is not illuminated correctly. In fact, the side facing the ...
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1answer
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Face Orientation weird effect

There was a weird effect on my textures that when I set to face Orientation, I got this result. Any idea what it could cause it?
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Normals of Mesh is in correct in Face Orientation but wrong in Quixel Mixer and UE4

So my mesh in Blender 2.8 is shown to be correctly oriented, but when imported into Quixel Mixer or UE4, it's the opposite. I tried to simply flip the normals but it didn't really work well with ...

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