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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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Shadows not calculated properly for some of the faces in the mesh

I'm running into this issue guys where I'm rendering these dark faces even though the normals are correctly placed. I used the knife tool to cut-up the mesh for most of teh scars and cracks you see ...
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How does “Flip Normals” affect Face Corner Data?

I use the "Normal Edit" and "Data Transfer" functions a lot, therefore I'm working with custom Normals with Face Corner Normals that differ from the Vertex Normals. The Pink lines represent the Face ...
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33 views

What does 'Mark Sharp' *actually* do?

In the course of teaching myself Blender, I've always been led to believe that marking edges 'Sharp' had an effect only if used in concert with the Edge Split modifier. But then I saw a couple of ...
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18 views

Align particle to object normals?

Trying to put these objects (as particle objects) onto a slightly deformed tube model. This is it so far, but as you can see the rotation of the objects is different depending on the vertex it is ...
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9 views

Data Transfer to Adjust Normals

I have two sheet meshes, with identical curvature (extruded from the same edge-loop) .. and one has a staircase cut top edge. The cut alters the vertex normals, so they are no longer aligned down Z ...
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1answer
24 views

Can't make proper normal map of corrugated sheet

I have been trying to create a normal map of a corrugated sheet. The low poly model is a simple cube with 8 vertices. I can't understand what i am doing wrong. When I am applying this normal map on ...
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1answer
38 views

weird yellow artefacts when baking normals

does anyone know why this is happening to me ? i tried normals outside, didnt help. Edit: edited caps, and added photos, sorry new to these boards, thanks in advance :)
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28 views

Extrude Region (vertex normals)

Hi I'm a beginner I just made a couple renders, and I really got into 3D modeling, so I decided to take a Hard surface Modeling course, I was following along and the instructor Extrude the vertices ...
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14 views

Low poly model with normals in cycles

I Baked a normal map from a high poly barrel to a low poly barrel and it seemed to work out fine. I thought that I'd noodle around a bit in cycles to finalize the material, but unfortunately the ...
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15 views

mesh front invisible, normals are corrected

I have made sure that all my mesh's normals are facing the correct way. when the mesh starts the animation, I can see her face fine, but when she turns towards the camera, her face is gone.
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12 views

Can't bake normal maps properly

Here's the problem: https://imgur.com/a/2zxANMn As you can see, when the islands are not pointing at straight 90 degrees I get artifacts on the edges. Anti-aliasing doesn't really help (used the ...
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1answer
23 views

Low poly mesh interrupting normal map in render

I have been looking for a solution to my problem for 3 hours and unfortunately I can't find it anywhere, so I have to ask. When I add a normal map with hi poly mesh, the edges of the object are ...
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31 views

Normals not baking as expected

I am working with 2.79.5 and a Bevel node from this version. I use the bevel node to bake fake bevels on a normal map, bu the baking didn't turn out as expected, I ended up with a messed up normal ...
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18 views

Bevel node baking has issues

here's my little story of a particularly bad day. I was baking a lot of maps with bevel node to make faked bevels for a game engine, and at the end of my day I encountered the worst problem I could ...
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25 views

TextureAtlas flips normals on half of the deep linked duplicates

I have a strange effect on my model. I modeled the Portal Companion Cube and since there's a lot of similar objects, I created deep linked duplicates of them to make easy adjustments to all of them. ...
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12 views

Can't bake normals from high poly mesh

I'm trying to bake normals from high poly mesh to lower poly, but i keep getting these colourful normals. i tried various ray distances but i keep getting the same result. Here's the screenshot ...
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37 views

Bevel normal map baking artifacts

I am having trouble getting artifact-free bakes in my latest bakes. I am posting this here because the problem originates in how I model and mark seams in Blender. I am baking a high-poly object with ...
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0answers
16 views

Why doesn't my union Boolean modifier work using Python script?

I am new to Blender. I tried to do a union operation on all beams using the python script. As shown in the following image, the model looks like: However, after the union operation, one of the beams ...
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13 views

I cant fix normals - Blender to Unity?

Ok, Ive looked at all the tutorials, turned on blackface culling in Blender so that I could see the holes that show up in Unity, and taken these steps to fix normals in Blender: Recalculated normals ...
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1answer
34 views

how to avoid straight lines in normal maps

i've been having some trouble with baking normals. I make a hi poly mesh and retopo it. Since i need to uv unwrap, i just mark some seams into the low poly model. The problem is i get some odd ...
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34 views

Why does my normal map not work with the Principled BSDF shader?

Hey guys, I have a fairly simple problem that i simply can not get past. I've connected 3 image textures (Color, Gloss and Normal) to the Principled BSDF shader. The Base Color and the Gloss seem to ...
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0answers
44 views

Normal map issue with subdivision surface

My mesh uses a subsurf modifier, but when I apply a material with a normal map to the mesh, Cycles seems to be using the low-poly version's normals, rather than the smooth, subdivided version's ...
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1answer
28 views

See-through faces, but just in game and probably not because of normals?

I modelled and animated some low poly game characters with Blender and when I import them in Visual Studio MonoGame there are some parts of the modells see-through as you can see in the picture. I ...
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16 views

Loss of details after baking normals, why?

I used the high poly mesh on the right and baked its normals on a low poly mesh, resulting in the model on the left. Despite the decent looking there was a big loss of details, which I can't fix by ...
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29 views

Cylinder normals?

Trying to get a cylinder texture/normals to "line up" and all go in one direction. Not the direction on the face, but the direction of the texture where up is up and down is down all the way around. I'...
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1answer
82 views

Normal map not working correctly

I followed along with a tutorial which shows you step by step how to create a normal map. Parts of the normal maps shows on the default cube mesh when I render, but it shows the outlines of the ...
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1answer
29 views

Editing the normal direction to be parallel with the face.

So I am looking to change the normal direction from being 90° on the face to just kind of lay flat on the face. Is that possible to achieve in Blender? Or are there any addons that will help with this?...
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1answer
29 views

Strange shading for face of wheel?

I have extruded a wheel that originally looked like this: My modified wheel now looks like this: As you can see, the shading looks incorrect, with strange dips instead of a flat surface. But the ...
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11 views

Weird Pixellation, Almost Like Dealing With NGons But Different [duplicate]

I bought this element from CGTrader and imported as a obj file. The pixellation doesn't seem to be from ngons. The normals are facing outside. My thoughts are that it has a ton of overlapping ...
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25 views

Editing custom mesh normals after the fact

I created a model using custom mesh normals with the Vertex Normal Tools plugin. All is fine and it shades just great in pretty much any application I can use it in. However, there are bunch of n-...
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0answers
49 views

Problem baking Normal Maps from high to low poly - grey result

I selected the High poly mesh first then the low poly. (both have the same coordinates) Created a new image in the uv map called normal map v2. I created a material with an image texture node and ...
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1answer
36 views

Some edges are not smoothing in Blender

I imported this geometry from Zbrush. As you can see the other edges around this area were smooth-able, but I could not get the edges connected to this cone shaped ridge to smooth. The first image is ...
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1answer
86 views

How to bake normals using modifiers only?

I have an UV-unwrapped base mesh that I want to bake tangent normals into. Only detail I need is a few bevel modifiers and a subdivision surface. How can I bake the smooth version without using cage ...
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1answer
87 views

How to ignore backfaces when doing a raycast?

I am using a raycast (just like in the template "operator_modal_view3d_raycast.py") to get a face index. The object the ray is cast on is a cube with inverted faces (directing inwards). Unfortunately ...
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23 views

Normals on Curly Hair

Ok,so, I'm working on this hair which isn't mine and is from a game, its all good with the hair except that the normals, the dark spots on the pic, when in the game when the light reflects I'm getting ...
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16 views

Relieve topology tension on planes and borders

I was prototyping a steel shield and everything was good until I had to carve holes in it. It was a simple task, but I've noticed something that I ever wonder how to solve it. The topology around ...
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64 views

Strange result from baking normal map

I can't seem to figure out what is happening here. A bug possibly? I went from a normal bake result to this. The only thing that changed between the two bakes was the use of a mirror modifier on the ...
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21 views

I need help improving my normal map baking for game assets

I started with Blender about 2 months ago. I use that and 3dcoat to make models. I've made a lot of models i'm really happy with, but when it comes to the normal map baking process it's pretty much ...
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94 views

Exporting a model to be read by Assimp

I'm trying to create some low-poly models for my game and I'm trying to learn some Blender basics. I can create a model and export it to Wavefront or Collada and I'm able to import it into my code ...
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15 views

Displacement animation with hair

I have animation of displacement modifier with hair particle system with objects (tangent-normal, one object per vertex)... I try to create something as waving chain grid ... everything working pretty ...
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26 views

Applying two normal maps [duplicate]

Hey everyone i'm quite new two Blender. I followed Blender Gurus tutorials and they were quite exercising.I modeled an Anvil as in one of his Video series, sculptured it and baked the high poly model ...
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1answer
89 views

Normal/Bump/Color created in Substance Painter doesn't appear correct in rendered model material

I created this material in substance designer and generated the normal map, bump map, and color map and imported it into blender with a node setup like such (note that I've tried both "Color" ...
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44 views

Strategy for Generating a Normal Map Projection From a 3D Model

I am still relatively new to Blender, and I am currently using it to model 3D vehicles for a 2D game. The 2D-rendering engine (Pixi.js) creates an illusion of depth using a normal map (as ...
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15 views

How to get geometry normals in cycles like in blender internal?

I need view dependent normal output in cycles, is it possible to convert things somehow?
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109 views

Normal map not baking properly--half of the model is baked in the wrong direction

New to blender, so I could be doing a lot wrong here. I've baked my normal maps in Cycles render, but parts of them are flipped the wrong way. There are awful seams on the tail and legs and I'm at a ...
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1answer
246 views

recalculate outside (normals) for all objects

due to a sketchup import half my objects are inside out how can i make a script (novice) that selects all objects (one by one?), put them in edit mode, recalculate outside (cntl n) and back into ...
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65 views

Normal map has artifacts and nothing is fixing it

So i modeled and sculpting a Ionic column and then retopologized it, and baked the normals, but there are colored artifacts in the map. I have tried increasing the Ray Distance, the Margin, the size, ...
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How to make a Jump Out Box with Constraint and Physics

I am making a Jump Out Box which want to prompt a Ball/clown from the box. I am currently using SkretchTo constraints on a mesh called "Spring". However, it is not as real as i expected. when i ...
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1answer
33 views

Make Normals “brighter”

I am currently looking for a way to make normals "brighter". The reason is that I was looking for a method to combine two normal maps and found this question: How to Combine two Normal Maps? I ...
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40 views

Whenever I bake a normal map via Selected to Active, it bakes the normals of both the high poly and low poly mesh

As the title explains, I'm trying to sculpt some details into a rock and bake them into a normal map. However, whenever I hit bake and check the image, I can see the low poly mesh has been baked into ...