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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1answer
280 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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My object becomes darker during animation

I have made this animation: https://i.imgur.com/qXzYD8o.mp4 Each frame consists of an object that has been generated independently using python. These objects are isosurfaces of a function at ...
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I like the effect of this/these normal(s), but I do not know how to recreate it

I see that the vertex normals at the top are at a different looking angle than the rest. Every time I try to rotate normals it only rotates the split normals (pink). I am thinking if I can rotate the ...
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7 views

In sculpt mode, how can an alpha brush texture be projected onto the mesh, instead of being projected from my current view?

I want the brick brush texture to be applied according to the normals of the mesh(red arrows), not from the current view (blue arrows). Have I missed something obvious? Thanks in advance. Current ...
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1answer
32 views

How can I see the normal data of a face in Blender 2.9?

I'm looking for a way to see the normal data of a face, represented as x, y and z in Blender 2.9x. Sounds simple, but I can't find the option anywhere. I seem to remember having the option in 2.79. ...
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1answer
38 views

how to put image on normal?

I'm trying to put the JBL logo on stereo normal, I've tried using texture paint but it doesn't work how to make PNG image blending with the normal
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10 views

Mirroring Without Changing Faces [closed]

I need to mirror a mesh (square building window) to fit the right side of the building face. When I mirror it using Ctrl+M it changes the normal and it looks weird on texturing. Is there any way to ...
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2answers
20 views

Why are anti-aliased normals so rough on polygon faces?

Smoothed the mesh normals. Put Auto Smooth normals at 30 degrees. But these stripes - I don't understand why they appear. Maybe someone knows how to smooth them out and why are they so rough? ?
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1answer
35 views

Apply -1 x scale (mirror) to object mesh and keep custom normals with python

I have meshes with custom face normals but they should be mirrored in the X axis. They are not perfectly symmetrical so I have to apply -1 to x scale. As I apply the scale with ...
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0answers
15 views

Weird Normal Lines Glitch [closed]

When viewing face normals as lines + Subdivision modifier + toggling Subdivision cage, there's a weird glitch where the face normal lines appear in random locations / shapes: https://youtu.be/aA-...
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1answer
230 views

Baking normal for high poly sculpture not applying to low poly mesh

I will list the steps that I did - I opened the high poly mesh that was initially sculpted, with multires modifier on. (I did not apply the modifier) I duplicated the high poly mesh and made a low ...
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0answers
11 views

Sverchok generating random points on faces facing upwords [closed]

I'm trying to scatter random points on a mesh, this points should be scattered only on faces that have their normals facing upwords (z axis)... how can i create something like this? I?ve been fidling ...
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2answers
521 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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1answer
963 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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2answers
210 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
18 views

Normal map comes out wrong from baking

I am making a train in blender and I want to use normal maps to show panelling and rivets without having to add it to the model. To try this I have made a model with some rivets as shown below (first ...
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2answers
563 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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1answer
142 views

Geometry Nodes and Exporting (Creating a mesh) in Blender 2.92

I'm trying to export Geometry Nodes geometry to an FBX. When I import the file elsewhere, though , there don't seem to be any normals associated with the Geometry Nodes object. Typically, I'm able to ...
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1answer
780 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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1answer
26 views

Why does my model's edges are too hard?

Sorry for the question, but I honestly don't clearly understand this issue (well, not an issue at all). So, I modeled a simple door knob, with a considerable low topology because well, I didn't think ...
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0answers
21 views

Is there a way to control smoothing groups in blender?

I'm trying to export a model from Blender to FBX format I'm using auto smooth with weighted normal modifier set to 50, and for some reason, I'm not sure why when my client inspect the model in 3ds he ...
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0answers
20 views

Adding materials to parts of normal maps

I recently came across the idea of normal maps, and I've begun baking them and using them in my work. However, I can't seem to figure out how to apply different materials to different parts of the ...
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0answers
11 views

Curve normals (or any kind of path normals) malfunctioning

Well... when creating a path of any kind it was functioning normally. I only messed around with basic transormations like tilt & scale and then suddenly it was like this whenever I create new ...
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1answer
28 views

I dont fully understand about Recalculate normals

I dont really get this functions without explanations or images, "These tools will recalculate the normals of selected faces so that they point outside (respectively inside) the volume that the ...
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1answer
360 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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1answer
35 views

How the Normal Map baking works, what is the ray direction

I've gone into some trouble understanding how the ray shoot out and the size relationship between the high and low poly mesh, below is my understanding, But which one is right? From the menual it ...
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1answer
24 views

How can you render backfaces depending on whether the camera can see them?

I have a scene where I'm using a geometry node's backfaces input to mix two shaders. I like the fact that the camera can only see the inside walls of my object (as it is rendering backwards normals), ...
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0answers
40 views

Normals doesn't show up

I have a problem on Blender: I select an object, I switch in edit mode, and then in the "viewport overlays" menu, I click on display normals (at the bottom of the menu) but nothing appears. ...
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18 views

Visible fireflies using object's Texture Coordinate

Making a simple procedural metal shader using a Noise Texture node linked to a Normal Map effect from the object's Texture ...
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0answers
30 views

Bender guru coffee issue

Hello everyone when rendering my coffee cup form the blender guru tutorial I run into this issue. I don't know if this is a lighting issue or if there is something wrong with my mesh. I tried resizing ...
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11 views

Normal map problem

hi I want to ask with the normal map I baked First there is a normal map whose results are like being hit by light so only one side is visible in the bake map results. Thank you, I hope someone ...
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1answer
24 views

How do I make a high poly model from a low poly model and a normal map?

Complete noobie to Blender here. I was wondering if there was a way to add the bumps from a normal map into a model so I can 3D print it with all the indents and such. I assume it's something to do ...
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10answers
40k 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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0answers
18 views

How to set loop (ie, vertex-face) normals from bmesh?

I'm trying to set face normals using a bmesh. I'm running this in response to a mouse click in an operator. In the below code, I'm able to run through my loops and set the vertex normals. While this ...
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1answer
33 views

Donut tutorial : Unexpected lighting behavior

I am following the Blender Guru donut tutorial and I've ran into an issue. My camera view is diagonal and I have to put two brick walls into the scene. One of them is lighted correctly, but the second ...
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1answer
106 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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1answer
19 views

is there a way to get the final object space normal (with normal maps applied)

Im trying to create a light source within a shader, this light source needs to be in object space. I have created a node network that does this well, but only uses the mesh normals (in object space), ...
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3answers
1k views

How can I customize normal in this way?

I want to have my beveled object to have fake-rounded edges: The vertex normals should be vertical with the main surfaces, so that the original surfaces are rendered plain, and the beveled edge is ...
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0answers
26 views

How is a normal stored as a vector value in Blender?

Specifically, when using the geometry node like this and applying a separate XYZ node to it, what does the Normal output node output?? I'm using it to show a texture only where the normals are facing ...
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0answers
76 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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1answer
26 views

Fix face smoothing

I would like to know why it happens and how to fix this issue? I have a model imported from the FBX file. I want to add a face to this model. So, I select edges and ...
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1answer
94 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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0answers
15 views

normal map bakeing issue

my issue is regarding baking normals every time I try to bake normal I don't know why a normal map couldn't bake properly I share my normal map setting please describe why iam facing this problem
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1answer
38 views

Confused about x/y when extruding along normals in Python

I'm a 3D newbie but I have programming experience. I'm using Blender 2.91.0 on Linux. I am trying to write a script to create a path/road from JSON data. The general strategy is to start from a block, ...
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1answer
60 views

How to create ship painted metal panels material?

Can someone tell me how i can get similar bumps on a surface as the images below So far i have just unwrapped the hull and used the following material with a musgrave texture. The model can be ...
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1answer
449 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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1answer
170 views

Funky Shading After Boolean

So I just recently started with Blender 2.8. I'm working on a model and had a place where I needed to have a cylinder blend into a curved surface. I use booleans to merge the two meshes, and created a ...
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1answer
51 views

Why Geometry's Tangent are difference from Tangent node?

According to the document, geometry node's tangent is surface tangent in world space. And tangent node is from a manually created UV Map for full control when use UVMap. They output difference result ...
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0answers
42 views

Normal baking not working

I'm trying to bake the normal from high poly to a low poly model. I made a cage that perfectly fits outside the high poly but when baking I get weird artifacts that don't look like a ray distance ...
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1answer
580 views

Imported object into unity lighting not working correctly

So the jist of it is I'm trying to get a toon shader to work on imported object from blender, I get this terrible looking jagged lighting in unity. ( the left tombstone ignore the one on the right )...

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