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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32 views

Problem with normals…what else?

When I try to remesh, I see this QuadriFlow: The mesh needs to be manifold and have face normals that point in a consistent direction. It won't let me remesh. Shift + N won't work and in Face ...
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2answers
59 views

Weight painting in a fully established material

So today I am working on a landscape that I will eventually animate in 4K, therefore I want to create a lot of detail. I want to start painting in some nice detail near the river ( highlighted in red ...
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1answer
41 views

How do I get the normal vector of a selected vertex?(BMESH)

I'm trying to Orient my gizmo according to the normals, but I can't do it exactly. Sometimes perfect, sometimes not. Can you tell me what's wrong? ...
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24 views

Hard edges in render [duplicate]

I've been having this problem with several models and I can never figure out what the issue is. Hard edges are appearing on the model in rendered view despite it being entirely smooth shaded. There ...
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1answer
33 views

Merge by distance messes up shading?

I have recently encountered the following problem: I am importing a model from WOW Model Viewer, but it is imported in such a way that faces are not connected, so in order to rig and animate it ...
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17 views

Lighting error with seams/UV Islands?

I have been making a model for the Source Engine, I baked a normal map and gave it a simple test diffuse texture (Solid colors, very basic with no shading). In blender everything seems right However, ...
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How to get my normals functioning

Hello everyone! So in the picture above you can see in the background one of my objects has a normal map that I am very happy with. I created another object and then applied the exact same material .....
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2answers
151 views

Mapping normals from -1..1 to 0..1

I am trying to bake a map that shows calculated normals in 0..1 range using cycles. (As opposed to -1..1 range) When I use <...
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1answer
29 views

blender python move faces along normal

Using the GUI you can Set Transform Orientation to Normal select a face in edit mode then hit G button then Z button to move the face in the direction of the normal. I am trying to do this with ...
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1answer
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After import to Unity, back faces are transparent

I'm trying to add thickness to a mesh, but the tris count is increasing. How can I fix it without tris count increasing?
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1answer
69 views

Why do i have different normal directions? (ascii stl)

Why does the blender show that the normal directions are different? B.stl ...
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27 views

Baking normals in blender(cycles) 2.8 - green on UV map?

I’m following a tutorial that covers sculpting a plank of wood, and then retopologizes it and bakes a normals map and a few other maps. The tutorial was filmed before blender 2.8, and I’m having some ...
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29 views

Normals look different from Edit and Object modes

Face orientation is different from Edit mode and Object mode. In object mode, they are all red. In Edit mode, they are correct. How to resolve this issue? Thanks a lot!
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14 views

High to Low Poly Bake Creating Seams Along Edges

I am trying to do a high poly to low poly bake with a simple test object that has slightly rounded edges. I am using Blender 2.81a. When I do the bake, however, I see a crease along each of the edges. ...
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17 views

Alt s scale not behaving like it should

so when im in edit im trying to scale faces on their normal by hitting Alt s but instead it just slides the whole mesh on a seemingly random axis, what is happening here ? 2.8
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1answer
52 views

Get or display normal vector / coordinates of selected vertex?

I have a .stl file and want to get the normal vector of a selected vertex or face in relation to the origin. Blender only shows the coordinates of that vertex/face. My blender skills are very ...
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1answer
118 views

How to set custom vertex normals for certain vertices using python?

I am struggling to set custom vertex normal vector just for certain/selected vertices in an object with python. I searched through the documentation and forums but nothing really helps so far. This ...
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26 views

How can I turn all the normals of this bezier to face outwards from the sphere?

I’m currently combining this tutorial with this answer in an attempt to make a sphere of roads extruded along a bezier. The following is my current effort (file link below): Unfortunately, I can't ...
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115 views

Get image pixels from multiple viewer nodes

For Blender 2.81 and Cycles render. I want to access all of the following data passes from a Python script: Z Normal ...
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37 views

Can't edit normals on mesh with no face

i make this bottle with just extrude vertex, screw modifier and bevel modifier. but i can't get to fix the shading. all the vertex normals facing up and i cant rotate it. all tools from Q menu for ...
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1answer
224 views

Is there a way to change the edge from 'Auto Smooth' mode to a complete curve?

My purpose I made the following modeling to make parts for the robot’s tilt arm. What I tried I first used the Surface subdivision modifier to express softness ...
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0answers
51 views

Double sided normals/backface culling off not working? (2.8)

So I've got my model all made textured etc yadda yadda. I save it as a .blend file, which unity helpfully can recognize. Backface culling is OFF. I have recalculated the outside. However, when I ...
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34 views

How can I keep quads flat when fitting a mesh to a curve?

I'm making a race track using a bezier curve and a simple mesh with an array and curve modifier to fit the curves. This is for a racing game in Unity. When moving the model from Blender to Unity, I ...
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0answers
14 views

The cursor to selection command doesn't consider the normal direction of the face

gif A) The cursor to selection command doesn't consider the normal orientation of the face. gif B) You can use the Cursor tool with Geometry as the Orientation option to get the normal orientation of ...
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1answer
39 views

Bake normals map does not work well

I have issue woth baking normals. In some reason bake does not work well. I tried a lot of ways and configs.. But my normal map is incorect. When I'm trying to use this generated normal map in Unite ...
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1answer
18 views

Create an edge parallel to the normal of a face from a given vertex

I'm wondering if there's a simpler way to do this. The way I ended up doing it, was by duplicating the face, creating a new transform from it. But I have to do this possibly hundreds of times and I ...
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0answers
24 views

Camera space normal misunderstanding [duplicate]

I am trying to create a shader which uses camera space normals. To get those normals, I am using the Geometry node and the ...
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2answers
58 views

Animation nodes - How to make an object face camera yet let the object rotate around its normal?

Imagine an object, for example a Cube. Now Imagine the Camera. Imagine that, whatever the position of the camera is, you always want (a certain face of) the Cube to face the camera. This means that ...
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19 views

High Poly baking make some artifacts

When I baked normalmap from high poly mesh, often there are some artifacts in hard edges. Note that I usually use Auto Smooth or Edge Split modifier to make hard edge. Here's the result from ...
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0answers
13 views

Hard edges on sculpted mesh

I'm sure someone else has asked this question but I'm not sure exactly what to search for. I am trying to sculpt a tin-box kind of thing with smooth beveled edges around the corners. When I go into ...
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0answers
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Help with baking a normal map

Full disclosure I'm new to 3D art so forgive me of some stupidity. I'm working on a normal map for a hand sculpt that I've done. I'm attempting to bake the high poly version of the sculpt into the ...
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1answer
37 views

Shade Smooth Render Lines

I want to simply smooth out the circle faces on the object using the Shade Smooth render selection. However, all the faces are affected by the smooth render and I get a stretched lines look to the ...
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0answers
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mesh.point_normals spherize via python not behaving the same as in-window controls

When i use the manual controls to spherize point vertex normals towards a point the spherize strength slider sets the total percentage the normal is interpolated by. When i do the same command with ...
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26 views

Can someone explain the relationship between normal color vs vector angle?

So here's my problem: what are you seeing here is a UV Sphere in 3D view with Normal pass (displaying object space normals) Can someone explain how are we supposed to know the normal angle (surface ...
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23 views

2.8 how to align vertex normal towards/away to light angle by x amount?

I am using a diffuse based toon shader for NPR models and i need to be able to fine tune vertex normals in order to force certain non realistic shadows. Trying to rotate them manually is very tedious ...
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18 views

Blender to Unity Rigged Mesh Deformation

I'm having several issue exporting an animated character from blender to unity. In blender the pose and the animations look fine but when I export the character in Unity some parts are deformed. I ...
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0answers
11 views

How to average_normals() of bpy_types.Object.mesh

When i load an object using: mesh = bpy.data.objects['Cube'] I want to be able to average its normals but it doesn't have any of the methods of the context ...
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21 views

How to average the normals of mesh to corner angles using Bmesh

I am trying to do the same as bpy.ops.mesh.average_normals(average_type='CORNER_ANGLE') but using Bmesh instead, since Bmesh doesn't have a command for this i thought i would have to edit each vert ...
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18 views

Normal Edit Modifier disables smooth shading

I'm using normal edit modifier and noticed that adding normal edit modifier disables smooth shading(I attached screen shot), even though I set auto smooth angle to 180. is this a glitch?[]
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1answer
92 views

Shade Smooth and Auto-Smooth problem when combining objects

So I'm making a catapult and I need all the parts of the arm joined together so when I animate it, they all move together. The problem is when I join up the parts of the basket and arms in the front ...
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1answer
45 views

vertices are not selected properly, and i cant recalculate normals

vertices,face dots are not selected properly, and also i cant recalculate normals.this is an appended model from a file edited in b3d 2.81, which i need to use it in b3d 2.79b because the game engine, ...
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1answer
67 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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0answers
23 views

The solidify and mirror modifiers are causing choppy shadows

I've been trying to set up a cell shader and have gotten to the part of editing the normals to make the shadows smooth, where I run into this problem. It's a fairly simple setup otherwise, with an ...
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1answer
38 views

baking normal from high poly to low poly made with instantmeshes issue

I made a high poly sculpt and I have used instant meshes to do the automatic retopology to get my low poly mesh. the high poly: The low poly, we can see the quads and it is not possible to use the ...
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0answers
27 views

UV orientation affects shading

I would like to follow up on a previous question about UVs affecting shading in a weird way. I am in the process of exporting a scene to Unreal Engine 4 and stumble upon this issue as I baked the ...
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2answers
72 views

Bad shading on icosphere set to smooth

I used an icosphere to model a part of a building, I have autosmooth enabled with custom sharp edges but I can't fix the bad shading. In Eevee it looks perfect, but in cycles I get weird shading that ...
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1answer
59 views

How to make a (photorealistic) material similar to tomato placenta and inner circle similar to this?

I'm trying to create a completely synthetic tomato slice, any suggestions on how do I achieve it to look more similar to a real tomato slice via only nodes setup? I’m trying to get a more realistic ...
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2answers
157 views

Distorted normal map on smooth surface

Blender rookie here. I'm learning about baking normal maps in 2.80 with some pretty basic setup. I'm getting strange results on a smooth metallic flat surface. You can see it on the following ...
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0answers
58 views

UV seams affecting normals

I have an issue with my UV seams. It looks like they affect the vertex normals as well and I don't know how to clean this. UV split, correct unwrapping UV welded, UV streched :'( EDIT Here is a ...
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My bakes are not coming out as crystal clear as I would like

I made a welder robot, and some of the faces on it are coming out really odd on the normal map ( like lots of color where there is no height or geometry). especially near the welder nozzle part. It is ...

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