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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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Sharp edges when merging vertices

When we merge vertices by distance, there's an option called sharp edges which creates sharp edges based on the custom normals data. I want to create a button using python, which when pressed, should ...
Arshad MJ's user avatar
0 votes
1 answer
18 views

Can you bake part of a normal map?

I'm just now learning about baking different maps from an online course but I came across an instance where a new part was added to an avatar but that part didn't have a normal map. Can you bake a ...
Cepheron Kalle's user avatar
-1 votes
0 answers
16 views

Issue with blender Normal Baking

I tried to bake Normal map in blender, but the baking result is not like the original one. I even tried to bake displacement map but the result is still zero. In this model, I have joined all the ...
mae apacham's user avatar
0 votes
1 answer
28 views

Displacement map Distortion

I am trying to create a mesh of a grip ready for 3D printing I wanted to create a displacement map however I have found that when applied, the displacement map only projects onto the curved side ...
Ben Seaman's user avatar
1 vote
1 answer
35 views

Modeling, why do surfaces look curved? [duplicate]

There is an unnatural shadow on the surface and it feels very strange. It feels strange even with a smooth shader, and it feels strange even when displayed with a flood shade. The direction of the ...
vector man's user avatar
0 votes
0 answers
47 views

how to set normal curves (free control) and transfer for mesh

i would like to make a stadium but have some problem with setting normals here's what I got with geo node: And this is how I want to control the angle I would be very grateful if someone could tell ...
Dan's user avatar
  • 1
1 vote
1 answer
18 views

What is this dark mark inside my model?

I remeshed a text file by hand and then operated a boolean difference exclusion. Now I see dark shape s inside my model that I can't understand. The Model and topology seem fine though. Also here. I ...
MicroMachine's user avatar
  • 4,673
0 votes
1 answer
24 views

How to smoothen normals in geo nodes without smoothing the geometry?

I'm trying to get a simpler shape so that certain effects (e.g reflections, transmissions, caustics) are easier to compute with low samples. My idea has been to smooth the geometry with geo nodes and ...
Jag JB's user avatar
  • 868
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0 answers
16 views

Normals only invert when I export my mesh to unity with armature

I'm making a belt for a character I already have. For some reason, the belt's normals are flipped ONLY when I data transfer, and give it vertex groups. When it's a static mesh, it exports fine, and it'...
Dr. Krentist's user avatar
1 vote
2 answers
79 views

How can i extrude or scale bottom of an object along it normal using Geometry node

I'm stuck in a problem where I can't figure out how to extrude the bottom of an object in the way shown below. I'm new to blender geometry node, been trying Set Position, Extrude Mesh and Scale ...
0292_ Đường Minh Triết's user avatar
1 vote
1 answer
25 views

Shading on mesh has tons of artifacts in both flat and smooth shading

One part of this mesh is having immense artifacting in its shading between both smooth shading and flat shading modes. The issue only started after the one part of the mesh was scaled. Scaling it back ...
Lionmeow's user avatar
0 votes
1 answer
15 views

Baked Normal Map Artefacts

I just baked a normal map from a high poly model to a low poly model. There is a part where faces face eachother and the shading seems to be flipped? Is there something wrong with the normals on the ...
J Hope's user avatar
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1 vote
0 answers
364 views

how to fix AttributeError: 'mesh' object has no attribute 'create_normals_split'

I'm new to all of this, so I have no idea how to fix this, and I can't seem to find any answer to my problem. I'm trying to make some skin mods for a certain anime styled fantasy game using 3dmigoto, ...
Taavi's user avatar
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0 votes
0 answers
23 views

Weird Mesh Shading with no Effect of Recalculating, Clear Customs, Remove Doubles and Clean Up

I've been working on 3D cars for a while and this problem is very upsetting. The model has some weird shade around it like it looks flat on some parts, even through i'm using auto smooth at 45º. ...
Alexandre Esperança's user avatar
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0 answers
25 views

Seams on baked normal map and inside of object is completly messed up - how to fix, why does it happen?

Baked from a high poly version to the lower poly, 1k texture. Unsure what to do about these issues. enter image description here File: https://drive.google.com/file/d/...
hunhow's user avatar
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1 vote
1 answer
98 views

Vary Geometry Node Instance Rotation Along Source Normal

I am new to the geometry nodes. I am using this simple graph to put tiles on a plane to make easy roofs. My problem is that when the curvature of the plane changes, the graph is no longer useful, if ...
Daniel Gimenez's user avatar
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0 answers
17 views

Partially baked normals in blender

all. I got a strange problem for me. When I bake normal map it bakes only partially. And honestly I can't understand why. If I bake color texture all is ok, I have all texture that is placed on my UV. ...
Ivan Palii's user avatar
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0 answers
12 views

Add modifiers automatically on new objects

With thew new blender 4.1 release, I've started wondering if there is a way to add modifiers automatically for new objects. For example. If I add a new sphere, I want it to come with the new ...
Alexander Martins's user avatar
0 votes
0 answers
14 views

What is going on with this hook? [duplicate]

I made it last night, saved my blend file and when I loaded it back today it looked like this..? I believe it may have something to do with normals and I tried recalculating them but it seems like the ...
ElectroN4ick's user avatar
1 vote
1 answer
27 views

blender normal texture missing causing weird normals

recently I opened an old blender file that had no textures packed resources. therefore the 3d model had a normal map texture that was missing causing the model to have weird normals. Strange thing is ...
tim's user avatar
  • 13
1 vote
1 answer
20 views

Orthogonally aligning an object by making the normal of one of it's faces perpendicular to the normal of the face it should be aligned to

The question sounds a bit loaded but the essence of the problem is quite simpel. Consider the following situation: I have a plane p, angled at arbitrary angles and ...
NameKhan72's user avatar
0 votes
2 answers
40 views

Shading look weird when look from X angles in Cycles

I was making render from my last work but i notice somo weirds shading, that doesnt show up in other renders I checked all texture map are working well, also it have shade smooth so i don figureout ...
Haydz Booter's user avatar
0 votes
1 answer
58 views

Invert geometry nodes selection Blender

I have a selection made based on Position and Normal. The distribution should be inverted. How can I invert it ? Thank you. Thank you. This works. But doesn't feel it completely invert the selection,...
IoanF's user avatar
  • 3
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0 answers
40 views

Realistic material for Moon landscape

I'm trying to create a realistic material for my moon landscape The real image has a lot more details, but I'm interested in the white areas exposed to sunlight. I would like this to be a property of ...
Luca Ghilardi's user avatar
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0 answers
19 views

Smooth normals to avoid squares in shading

I am trying to make ripples using Geometry Nodes and I got some problem : This is how the generated bump map looks. Is there a way to smooth that overlapping bump data ? I use Geometry Nodes ...
RobenSikk's user avatar
0 votes
0 answers
15 views

Model sharing vertices between in- and outside normals?

I've been trying some stuff in Blender, I am however quite inexperienced. I found a free model online which I was trying some stuff with, like I've done before. However this model has a weird problem. ...
Luuk Damhuis's user avatar
1 vote
1 answer
28 views

Baking Normal Map from structure

I am trying to get a Normal Texture baked from the Mesh you're seeing. It's already UV unwrapped, I've added the Image Texture Node for Baking and I hit bake. The result however is a completely blue ...
Aggrise's user avatar
  • 25
1 vote
1 answer
65 views

How to replace vertex normal with custom normal data?

I have a set of custom normal data here. First one simply use the normal data in the shader. Second one is achieved by define custom split normals of this mesh from normal data by script.(...
Wow's user avatar
  • 21
0 votes
0 answers
16 views

UVs not connecting when adding texture

First time posting here. Not sure what's going on with my model, but when unwrapping UVs I noticed the normals are somehow not touching? There are no modifiers or anything else applied to this model ...
fabs's user avatar
  • 1
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0 answers
9 views

When importing as a fbx from blender unity flips some normals

I was trying to make a character for my fan game and as i was exporting the playermodel the stomachs normals were flipped and the model looked very faded colours
V Gaming's user avatar
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0 answers
10 views

Blender Bmesh set custom normal

I'm trying to adjust the normals of selected vertexes on a vector. The code runs without errors but does nothing. Blender version 4.0.2 ...
Anton Vashkevich's user avatar
0 votes
1 answer
91 views

Baking to give low poly model a high poly model detail

I have been looking at different tutorials and even other postings on Stack Overflow to try and figure out how to bake detail from a high-poly model into a low-poly model. I have provided screenshots ...
mjbelanic's user avatar
0 votes
0 answers
43 views

What color should the face orientation be on the inside and the outside?

According to this tutorial Everything outside should be blue and everything inside should be red But in this tutorial It should be blue on the inside and red on the outside
Raz Luvaton's user avatar
0 votes
0 answers
6 views

Align vertices of two objects after aligning the 2nd object to the normal of the 1st using python

I have an object "pl" that needs to be aligned on to the 2nd object "cube" such that the end vertices of both objects align with each other currently i aligned pl along the normal ...
Sa P's user avatar
  • 1
2 votes
1 answer
148 views

Is it possible to copy smooth vertex normal to the vertex Color channel?

Blue normals need to be copied to the vertex color. I have some low-poly models that need to be flat shaded so I want the vertex normals to be the split normals, but for custom shaders in Unity, I ...
Benni's user avatar
  • 23
0 votes
0 answers
34 views

Blender normal bake problem ("selected to active")

So, I have several source parts and one model as the target. I want to bake one part at the time. The image is the outcome when I bake the biggest piece "selected to active". The outlined ...
kverkagambo's user avatar
3 votes
1 answer
149 views

Why does the normal map bake darken the render?

I'm trying to convert the normal of a material to an image texture, simple thing! It's not even taking a more complex model and baking it to a low poly... But for some reason, every time I bake the ...
Arthur Sally's user avatar
1 vote
0 answers
30 views

how to render hair flat 2d style

I have found an addon (https://github.com/sentharn/encode-normals) that bakes the normals to vertex color map and that can be used in shader node editor to make hair strands appear flat basically ...
Michael Lebedev's user avatar
1 vote
0 answers
23 views

Baking normals from high poly to low poly mesh seems to remove all smoothing

I am trying to bake the detail (normals) of this high poly head: onto this low poly version: I'm using the standard process per various online tutorials - (1) create a new image texture and bring it ...
El Grillo's user avatar
0 votes
0 answers
24 views

Could be possible to transfer the normal of a geometry node primitive?

I'm using the DataTransfer modifier to replace the normals of this tree with the normals of a sphere I will like to be able to do the same thing in a geometry node ...
ellipticaldoor's user avatar
1 vote
0 answers
34 views

Looking to scale along normals using geometry nodes using a texture as a scaling factor

Not sure how feasable this would be but as the title suggests, I'm looking for a way to shrink a mesh along the vertex normals using a height map for the scaling factor. Context: This is for an animal ...
Jay Ott's user avatar
  • 11
0 votes
0 answers
18 views

I loose my normals when I export as a fbx. I keep the rest of my textures

So for some of reason when I export my model as a fbx it only exports half the textures For path mode I select copy and check the Embed texture Icon, I set the selection to (limited to, selected ...
Ty Talent's user avatar
1 vote
0 answers
41 views

Gizmo faces in different direction based on faces

I am editing a 3d object made by a friend, for a game jam. Said friend is not very experienced in 3d and I am trying to tidy up his mesh. I come from Cinema 4d and am trying out blender. What I ...
Porridge's user avatar
0 votes
0 answers
32 views

Rotating instance on a curve using Read > Curve Tangent

I'm trying to make a tree using geometry nodes. I want to align my branches to the curve tangent, so that the branches point away from the bends in the trunk. I've got this far, but now I want to add ...
Josh Short's user avatar
1 vote
1 answer
111 views

GeoNodes set position on vertices in vertex group along their normals

I like to procedurally change the position of vertices in a selection (vertex group) randomly in a certain direction with a defined min/max threshold along their Normals. And here is also where I fail ...
chubaka's user avatar
  • 15
0 votes
0 answers
24 views

Baking problems

When baking a new object, the old image with saved baking disappears and a new image appears. At the same time the same image is selected, the normal node is selected and the image is saved. what ...
Kristina Shklyarova's user avatar
0 votes
0 answers
25 views

What is causing my mesh to look lumpy in solid display

There is no duplicate geometry, no geometry behind the geometry, the normals and face orientation appear to be correct, shade smooth has no effect.
app-o-matix's user avatar
0 votes
0 answers
43 views

How can i make normals on an imported mesh face the right way?

I'm writing an addon to import a model from a game, and it works for the most part, but some of the meshes always end up with their normals facing the wrong way no matter what i do. The format i'm ...
Moff's user avatar
  • 31
1 vote
1 answer
57 views

Is there a way to get perfectly smooth normals on a cylinder that is tapered like a cone?

I have a cylinder with 24 faces that I tapered so it is shaped like a cone, but the normals get sharp looking, as you can see here: The normals appear to be facing in the propper direction: I've ...
Ben Mora's user avatar
  • 852
3 votes
1 answer
169 views

Extracting selected face vertices uvs, coordinates, and split normal info in python

I need a script to extract some info from selected faces, and I need to output faces as if they are triangles, i. e. as if I used Triangulate tool on these faces, or used something else, I just need ...
postcoital.solitaire's user avatar

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