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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Normals not baking properly

Im trying to bake normal maps of my character however it doesn't work at all, it just looks as if low poly mesh is baking onto itself, and I can't find a solution to that :/
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Mesh appears transparent in Unity, even after flipping normals

Mesh appears transparent in Unity, even after flipping normals. Also tried recalculating the normals inside and outside and didn't work. How it appears in Blender: How it appears in Unity:
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Baking Normals either is not showing detail or color artefacts

Hi there I have an issue with baking Normals. With a rather high max Ray Distance setting of 0.1m the normal map is showing color artefacts (see first picture). With lower Settings like 0.0001 m, the ...
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Made a hat and in Unity it looks weird

I have a hat and all of the normals are correctly facing, but when I import it over to unity, its kind of transparent but not really and lets shadows show through it. The Hat on blender, All of the ...
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1answer
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Normals not working properly, even if recalculated

I have been making some models for a Unity project. I have a problem only with this model, idk if they are the normals because it seems that they are fine. the funny thing is that in Unity looks ...
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Get rid of these dark lines from normals on lowpoly, smooth toon object?

Here's my issue. I'm trying to recreate something like this - lowpoly but flat, toon shaded objects - What I've done is downloaded a generic toon shader, tweaked it and applied to a smooth shaded low ...
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Why do mesh normals invert upon Mirror modifier application or manual mirroring (Shift+D)?

Just found this after converting my hair curves into mesh, which auto-applied the (mirror and lattice) modifiers each strand had (and to their own origin, not the model's, but that's a different ...
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1answer
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Extrude along normals not working

I can't seem to get the tool to work. I want to have the mesh extrude inwards like in the last picture (taken from a tutorial) . But it just warps and moves in a random direction (second picture). It ...
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1answer
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I can still see faces in baked normals

I am trying to create a horse. I sculpted a high poly version, created a remeshed version with applied shrinkwrap modifier. Now I should bake the normals, but the baked normals have sharp edges even ...
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How would one take an object space normal map, and export a tangent space one?

I have a model that comes with object space normal maps, and I need to get them exported as tangent normal maps in PNG format. I've tried Handplane, but it causes ugly seams in the map. So, I'm kind ...
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1answer
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Mesh is behaving weird

my mesh is doing some weird stuff. I tried to make a logo 3d and had a Logo reference image which I build on. I started with one vertex and CTRL + Right Clicked my way through to end up with the Logo. ...
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Smooth out faces in a smooth shaded low poly object?

I'm trying to achieve this low poly smooth shaded, toon material style: I'm plugging painted textures into a basic toon shader on a smooth shaded low poly model, and yet I have these visible faces ...
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Blender 2.9: Problem With : Flip Normal Faces

When I Export (.fxb) file to (unity 5) i find out faces was flipped, when i go back to blender to fix it , i found out when i do (Alt+N) for flipping normals its just flip one face side and the ...
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Baking Normals in blender - Normal map completely blue

I've seen this problem many times, but I still can't find a solution to it. When I bake the two objects, the normal map is completely blue. Here are my steps: Select both meshes and click alt+g to ...
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Weird normal map baking

I've looked to this problem all over the site and it's not been answered (or maybe i wasnt attentive enough) but the thing is what you can see on the pictures. Some weird artifacts appear both where ...
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Flip Normals with Geometry Nodes

I have geometry being created through geometry nodes and I am am trying to flip the normals on this duplicate geometry. However, it appears that normals are a read only attribute in the geometry nodes....
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1answer
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Baked procedural normal map reflect light only some sides

I have baked my Nodes procedural normal texture via cycle rendering and I get some of the results works. However, It worked only for some sides. Not sure why? Does anyone have any clues? Pretty sure ...
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1answer
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Scaling along normals in Geometry Nodes

I'm trying to use geometry nodes to scale up a duplicate mesh along each faces' normal to "thicken" up the mesh. This can be achieved manually by scaling a mesh with Alt+S (Scale along face ...
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Strange normal artifacts

Hey currently blender has been giving me some sort of strange normal error on bakes this is a simple bevel modifier bake. on both high and low model all modifiers have been applied everything is clean ...
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Normals all over the place

Something happened to my normals and they're all over the place. I'm guessing it's because of my genius idea of separating the roof from the rest of the mesh (thought I'd have to worry less about the ...
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Weird deformation/stretch ridges on baked normal map

While trying to bake a normal map using "Bake from multires," I discovered that weird ridge stretch lines were appearing on tail of my normal map. I've tried altering the UV map using smart ...
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Align viewport rotation to normal vector like Shift+7 in edit mode

I know this question has been asked and answered before but the behavior I want is what ⇧ Shift + Num 7 exactly does in edit mode which is to align the viewport to "face" the element ...
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Face still too bright despite merged vertices?

Despite I have merged the too close vertices and flipped the normal this face is still too bright for some reason. It uses the same material and I have managed to make the left door of the trailer ...
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object space normal baking causes flat rendered faces in output texture

Been searching a while looking at posts, but this seems different. If you look at the top right quadrant, that's the matCap view of the surface, everything looks fine. I checked all normals. They're ...
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1answer
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Find out perpendicular vectors of a normal

I want to find out the direction of a certain axis in a normal, for example the Y axis. So for an edge finding the direction would be to subtract the location of its vertices. I want to use that ...
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Water flow at the normal to a face

I want to make liquid flow out of a face of an object with the water flowing at the normal to the face. I've included an image demonstrating how I want this to work. I'm pretty inexperienced so if you ...
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Baked normals are rendered too dark

Solved: answered below by @Alexis King I am a bit of a newbie to all of this and I ran into a problem when trying to bake the normal that I've made to a normal map. The problem is that the object gets ...
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Blending normals at edge of mesh and accessing result with python

I have this problem: Copying Vertex Normals I have a head and a body that need to be separate objects, but they need to join seamlessly. Viewing them in object mode, I see the seam. I can use the Data ...
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Strange Normal Bake results

I'm trying to bake a high poly rock onto a low poly one. I know my unwrap and low poly version aren't great but I am was just trying to make it quick for now. I have tried baking out a simple cube ...
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2answers
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Clear custom split normal data just for selected faces

When I hit "Clear custom split normal data" it clears them from the whole object, which is not what I want. Is there some way how to apply it only to specific selected face(s)?
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face normals not displaying

so I'm new enough to blender and I'm trying to teach myself a few things, I have flipped the normals on an object and I know I have to go into view port overlays to activate display normals but I am ...
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1answer
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Face Normals display not showing

So I want to flip the normals on an object I know how to flip them and I know I have to go into view port overlays and activate display normals to see that the faces have been flipped but when I do ...
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Normal map not baking correctly even after changing max ray distance blender

Normal map is not baking correctly I checked all the normals are correct I applied scaling Checked all ranges of max ray distance and selected high poly first and the low poly Also unwrapped the low ...
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1answer
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Help to create a texturized material

I need help to reproduce this material with this "texture". It is a playing card, it can be vynil, or simple hard plastic. I know it is not that hard, but I still have some problems with ...
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Why does blender output vec4 tangents for GLTF?

I've been trying to integrate both GLTF 2.0 and blender into my asset pipeline for my custom renderer. I noticed some strange normal artifacts when normal mapping. So I go to look at my tinygltf code,...
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Help with Sculpting problem

So i was multires sculpting this until I realized i had to apply the scale to the mesh because when i would switch from adding to subtracting it kept acting inversed, and just kept sculpting after ...
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Object deformed after exporting?

I am working on a bumper for a truck but whenever I export it, reopen it or try it in the game it looks slightly distorted. I don't know if it has something to do with the .pim file extension (for SCS ...
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1answer
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Why does a bump/normal map change the look of a plane to which they're applied to, even if the plane only has 1 normal?

From my understanding, a normal map makes the existing normals on a mesh to change the direction they point in, to fake the illusion of grooves/depth/scratches,etc. So the more polygons you have = ...
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Doing the opposite of baking normals

I am trying to model a helmet from Doom Eternal, and I have a model from the game as well as textures and Normal maps. My ultimate goal is to 3D print, so I need the detail in the mesh itself. What I ...
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1answer
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Glitching normal map artifacts

I'm getting strange artifacts in my normal map as you can see from the photos. Yes, I've checked all the normals and recalculated them several times. Yes, I have removed all doubles. Yes, All scale/...
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1answer
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How do I rotate a face around an axis in normal orientation in Python?

I have a set of vertices for a BMFace that I'm trying to rotate around the x-axis but in the face's normal orientation. Currently I'm doing: ...
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Rotate texture to align with face normal

I have a multi-faceted object which is supposed to look like it is built out of brick. I currently have it built as a single mesh and would prefer to keep it that way. I need to brick on each face to ...
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1answer
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Shape key is affecting the normals of faces its not attached to

It did this after I created a bottom lid blink. the weird part for me is that the top lid blink was never attached to these vertices but it is affecting the shadows and causes them to go crazy when ...
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How to flip all the normals properly on this model? [duplicate]

this is my first time here on StackExchange. I'm pretty new to Blender but I have successfully created some simplistic models so far. So I just modeled a roof rack made for Euro Truck Simulator 2. ...
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Understanding the bump node

I see a lot of tutorials that explain how to use a bump node by demonstrating its use and giving a hand-waving explanation regarding what it actually does. Things like it "perturbs the normal&...
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Smooth mesh with armature is flat after export (blender 2.83.13)

I have a problem with blender. I have a mesh created on blender and smooth that I then blindskin on maya (at that time my mesh is still smooth), then I take it back on blender (without changing ...
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1answer
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Baked normals not calculating gradient smoothly when using a depth map

I'm currently trying to bake normals using a depth map generated from a rigid body simulation I did featuring a few hundred coins - The problem I'm encountering which I wasn't able to find anywhere ...
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Python/API - How do Normals work?

I'm writing a program that snaps objects to random parts of a larger objects. Right now I've been looping through all the vertices of the main object, grabbing the coordinates of a random vertex and ...
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how to find out which uvs we need to flip

in Maya, we can see flipped UVs in red and correct ones in blue. So is there any way to find out which one is the unflipped/wrong UV in blender??
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Move an object after baking normals

I'm a new Blender user and I'm facing my first big issue. I've just baked high poly normals to a low poly object successfully after a night of tutorials reading, but now, whenever I try to move the ...

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