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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15 views

Triangular Black parts on mesh after applying a Normal Edit Modifier

I'm trying to create an anime-style character, I've imported a VROID Model that I made and changed the shader on it. There is a solidify modifier (for outline) and an armature modifier placed below ...
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14 views

Having a problem with Normal Baking a high poly model into a low poly model. (with file included)

I'm having this issue where, yes i can bake the normal map, but when i apply it onto the lowpoly model with the normal map something weird happens in the middle of the model. I have no idea what to do....
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33 views

How to render normals?

I wanted to make render with some model which has flipped normals in. But when I render it, the render was looking like this: I didn't find anything about it and how make it to show in render. Is ...
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19 views

Object seems split into two

my object is split into two. Last time I got rid of this problem by making normals consistent, but this time it doesnt work. I have a Mirror Modifier on the objecgt, but not applied yet. Thanks for ...
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24 views

How to avoid flipped looking normals when baking them?

So I ran into this the second time now. The normals on the model flip randomly despite the faces are facing outwards. In this case it happens at the uv seam of the model but other times it seemed ...
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21 views

How to separate faces of an mesh, center pivot to every face according to its normal? [duplicate]

I have separated all faces and set the pivot point (origin) to center mass with this solution: This link is where i have found the first bit of the code Here is the code: ...
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50 views

Possible normals problem

I am trying to export this object (LEGO brick canopy) as FBX for use in UE4, but I noticed some strange normals effect/anomaly (or at least I think it has something to do with normals), and I have no ...
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1answer
19 views

Using Empty Object Coords for shading (Multiply Vector by Matrix)

I'm making a setup that reduces the complexity of shading by replacing the Normals with coordinates from an object. If you take Object Coords of an empty and plug them into the normal socket of a ...
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18 views

Vertex Normal Orientation

Here's an object, just vertices and edges (no faces) in a kind of double helix structure. I'm trying to use the object as a particle (object) emitter. How do I change the orientation of the normals? ...
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Slide Edge Tool

Hey i wanted to know if blender has a tool or a Mode where i can slide a edge and "move" it up and downwards along its Vertex normals As Shown here https://youtu.be/vm2g6GXHD4E?t=383 Also ...
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39 views

Evee triangular bad shading, tried many things it wont work

Hello everyone, Ive been having problem with this recently, It looks great in Cycles but in evee it gives me that shading, Things I have tried; Recalculate normal Subdivision Shade smooth degree ...
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Blender or smooth normals of intersecting meshes

Is there an easy way of smoothing the normals of an intersection of 2 meshes (1 object) in the shader properties? I know it can be done with modeling but it could be a real time safer if it can be ...
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Blender 2.9: hollow cylinder has “Normals” problem

I want to make a cannon and I am using a hollow cylinder for that. But as soon as I create it, I am seeing an issue with the normals. I can flip the normals but then the inside faces are blue and the ...
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data transfer failed in avragin the normals and blend two meshes any idea why?

i was trying to use data transfer: in order to cancel the difference between the base mesh and the shape that wraps on it. for some reason it dont worked even tough it worked greately before. any idea ...
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Baked Normal Map is all messed up

I'm trying to bake a procedural normal map to an image. It's a principled Bsdf material, I added an image to bake to, made it 32-bit float and non-color data. After it was baked, it shows up like this,...
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22 views

Weird mesh Normals or Smooth problem?

Somebody know what is the problem with the mesh or how to fix it? (check screenshot) After 3ds max fbx model have few of these problem, but after dae export from blender they everywhere. Problem ...
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1answer
28 views

Snap to face problem: object is flipped 180 degrees and snapped to inset faces

I'm using the last version of blender (2.9) on a new mac book pro. I'm trying to use the snap to face but when I move the obejct is snapping to the inset faces. I've checked all the face's normal and ...
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37 views

Crazy random normals. Can anyone explain?

crazy random normals are showing up not attached to my object when "show normals" is enabled. the positions cycle through a few different shapes. object is a simple bottle modeled from a ...
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23 views

Normal map edge artifacts

I have a problem with baking normal maps from multires in Blender. I don't know if it's the margin fault (set to 0). Can you help me make a clean baking.
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7 views

Floating point size of normals data

I've been workin on a mesh addon, where I want to set custom normals. I do it now with the mesh.normals_split_custom_set() function, which generally works, but I'm not sure what is actually written. ...
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16 views

Grey spots when baking normal map (blender 2.83)

I have a high-poly female that I'm trying to bake onto a low-poly version. However, grey spots keep appearing in some places of the face and hands, as shown in the pictures below. I've tried to fix it ...
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1answer
59 views

Smoothing Groups in Blender?

Autosmooth off with smooth shaded Autosmooth on with Mark Sharp I come from a 3dsMax background so the usual process is to create a mesh, some of the elements are bevelled all around while some have ...
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18 views

Boolean acting weird, only acts on inner flipped normals

I've got two objects. The first one is performed with Wall Factory add-on, and some other objects have been joined to it by boolean operator with "Union" mode. The other one is just a cube ...
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1answer
45 views

Bad reflections on some faces in blender, good on substance painter

I've baked the high poly into low poly in substance, everything is right, and I can see perfectly the shading when it comes to the material I use in substance painter. But when I export those maps and ...
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How to stack displacement nodes?

When using displacement modifiers, you can use the resulting mesh normals of the first displacement as the base for the second, such that the end result is a 3 dimensional displacement. For example, ...
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1answer
26 views

Weird normals(I already Recalculate Normals,Remove doubles)

So I am having a problem with my mesh I am not positive if it is normals I am a bit of a noob to blender probably been using it for 2 months and I don't know something you may know any help will be ...
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51 views

i can't shade smooth even after merging normals

I was creating the donut from blender guru after , but i ran into a problem , i cannot shade smooth , i know how to fix this this , modeling tab > mesh > normal > merge , but that doesn't ...
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1answer
46 views

Smooth Shade a Cone

Very simple question, but I cannot find a solution. I added a Cone primitive to my scene, but I need it to be smoothly shaded so it looks perfectly round. My first instinct is to turn on smooth ...
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1answer
38 views

Why does the mesh look so strange? [duplicate]

It seems to be related to the mesh texture~ link to mesh
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Normals and vertex normals are correct, but faces are showing black in render

I imported this FBX and some faces on the model are looking weird. The normals and vertex normals are correct... I already cleaned "custom split normals data" but the problem still exists... ...
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1answer
26 views

How can I use Extrude Faces along normals without making different sizes?

I'd like to make a low poly room in Blender, but when I try to add thickness to the wall and extrude the faces along the normals the smaller sized wall is thicker than the other. I want to make them ...
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1answer
30 views

Everything looks great on camera, except when you turn on smooth shading

Everything looks great when modeled and looked at in flat shading, but when I get to exporting with a plugin it just look weird. What did i do wrong? Flat shading (material preview) Smooth shading (...
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How can I get applied mesh normals from a newly created mesh?

I'm working on an addon to distort the backsides of a mesh along a direction. I'm using a dot product with each vertex's normal to determine whether or not that vertex should or should not be affected,...
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Blender 2.8 -> Export to Unreal - normals messed up

As I export an FBX, the final result appear segmented in normal space I optimized my UV's to save some spaces so I split some parts but the splits appear in unreal in normal space there is a clear ...
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21 views

Certain faces seems to stretch texture

I'm coding up a simple mesh and using a fixed JPG square as texture. On most faces it looks OK, but on the middle-top of the mesh, it seems the texture gets stretched for some reason. It's a single ...
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1answer
33 views

Troubles with Baking Normal Maps

I'm trying to add some wrinkles to these pants by baking a high poly sculpt into a normal map but i get these weird artifacts in my normal map. I'm not sure what I'm doing wrong that would be causing ...
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22 views

Joining Seams, creates weird normals

So the mesh looks clean, but when I try to merge the seams and remove doubles and whatnot. I start to get this odd normal going on. I checked my normals and they are all facing the right way. Is there ...
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28 views

Beginner: Dealing with normals to avoid ripples & artifacts

I'm a beginner to blender. In the pictures below you can see how there is distortion around the windows and roof vents of this factory. With Unity, you can just click a box that says "calculate ...
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1answer
91 views

Smooth shading with nodes?

I'm currently trying to build an Anime style shader in blender and edit the normals to get better shading. But i also want a fresnel effect thats not effected by the edited normals. i know there is ...
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10 views

Custom normals not made available in a facemaking script and causes seam line issue

I create video games Faces for PES and I use a script for importing and exporting. Unfortunately, the script isn't updated and it doesnt export custom normals. I don't know if someone can edit the ...
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10 views

How to bake Normal map in all materials to a image?

I'm trying to create an elevator to use in Unity. I know how to bake Diffuse texture but Cycles doesn't bake Normal map like Diffuse. Of course I tried to search but all I found was "How to bake ...
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19 views

Jarring triangle pattern when importing a unity FBX

This shape is just a flat rectangle with some "chipped off" pieces. I initially made it in unity and exported it as an .fbx & fed that into blender. The "embossed" triangles ...
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20 views

Am I getting the correct normal?

I am trying to create a normal map for the hair but I feel that normal map is getting generated wrongly. I used hair particles and converted them to mesh. Then I applied screw modifier then I applied ...
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2answers
92 views

Issue with particles in blender donut tutorial

I have been recently doing the blender donut tutorial and ran into a problem regarding the sprinkle particles. The particles (hair) keep appearing on the underside of the icing. As seen in the image ...
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1answer
46 views

Reconstructing axis of pot with one shard via vertex normals

I`m planning to do a reconstruction of a whole pot from one shard of it. I've already thought of a way to do it, but I really don`t know how to make it happen in code. Theory: every shard has a ...
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28 views

Changing Normal Faces

I would like to know if there is a way to change normals faces orientation of a figure. I followed a tutorial for making leaves in a tree but it finishes with unity i think. here is a figure: he uses ...
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1answer
104 views

High Poly to Low poly normal bake looks weird

I baked a normal map using cycles from my High Poly Mesh to my Low Poly Mesh. I have no idea what could've caused this as I don't have much experience and nothing on the internet has similar results ...
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1answer
291 views

How to convert object space normals to tangent space?

I'm trying to experiment a workflow where I can manually paint normals to create stylized shading for a model. Painting on the model, I want to use object-space normal, as it's easier to work with, ...
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2answers
29 views

Baking normal then plugging into the normal channel of a shader results in flat shading

I'm not trying to transfer high-res normals to a low-res model, so I might just be doing it wrong, but what I'm trying to do is just output the normals of the sphere onto a texture that I can paint on ...
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22 views

Why does the mirror tool generate inside faces, and how do I fix this?

I have used and applied a mirror modifier, but when I go into edit mode and select inside faces, the mirrored side is all inside faces. I have selected these and tried shift+N to recalculate normals ...

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