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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12 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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12 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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6 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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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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14 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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19 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
32 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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41 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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19 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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23 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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25 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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52 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
55 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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92 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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36 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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17 views

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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22 views

Baked normal looks pixelated

I have two models one low poly and one high poly. The high poly is one that I have been sculpting on and I used that one to bake a normal, but for some reason when I use the normal on the low poly ...
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17 views

Mesh in Rendered View looks dark compared to other parts of mesh because of an extruded part I made and now I don't know how to fix it

So I extruded to slivers of the body mesh and now the middle faces are weird. here is a picture included. Wondering if its the normals?
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65 views

Render normals in camera space

After many hours of searching, trying and scratching my head I turn to you guys. Seems like many other have this same problem but haven't seen any solution to this yet. I am rendering cars in blender ...
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1answer
30 views

Messed up Mesh on Object

I was trying to bevel the edges of a cylinder, and then I got all this mess showing up within the faces of my object. I tried to recalculate normals but its not clearing up. Thank you.
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1answer
35 views

Why is this boolean intersect creating holes?

Here's a screen recording of me trying to create the intersection I'm hoping clip the terrain block mesh to the border map for 3d printing, but the result is missing all but the southern side. I've ...
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1answer
100 views

How to correct surface normal for translated object

**Edit - I'm willing to pay a $15USD bounty via Paypal for the accepted answer to this question. I have a script which generates random points on the surface of a sphere and then places cone objects ...
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1answer
26 views

Normal Baking Error

I've been running into difficulty baking normal maps for an enemy intended for my UE4 third person shooter project; . The model uses 5 different PBR materials, and a combination of 1024 and 2k images. ...
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1answer
73 views

Uneven lighting on some faces after a normal map is applied

Some faces of my mesh become weirdly lit after I apply a normal map. I have checked face normals, averaged normals, cleared custom split normals, tried deleting and recreating the affected faces, ...
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5 views

One Particle System is working, the other comes out the underside of the Emitter object?

I’m making a flower. I have the petals weight-painted around the bulb which are working just fine. I made a second vertex group but the smaller central petals are coming out of the bottom of the mesh. ...
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31 views

Mirror modifier results in incorrect normals

I'm trying to do something simple: Export an FBX of a model that uses the Mirror Modifier. However, no matter what I do, I find that the resulting FBX's normals seemed messed up on the mirrored ...
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30 views

What's wrong with my high & low poly models?

Can anyone check my blender file and my models (high and low). Why i always getting weird artifacts after baking high on low In Spainter and how can i improve them (topology, UV map etc) ? I cant ...
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1answer
95 views

Can normal map smooth hard edges?

For example i have 2 models. One low poly and second high poly. Low poly has hard edges. High poly after subdivision mod will have smooth edges at same position where lowpoly has hard edges. After ...
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23 views

A Node Setup that converts a greyscale bump texture into an RGB normal map… possible?

I want to create a pbr texture (voronoi based) and then have it converted procedurally into a normal map, which can then be plugged in to the normal node. (do not want to use bump node) Surely this ...
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2answers
30 views

Unusual Shapes on Baked Normal Map

So, I am basically trying to bake a normal map from my high poly mesh to low poly retopologized mesh. But I got some unusual shapes on my normal map. Some areas just work fine. High Poly render ...
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35 views

Normals Problem

I extruded the skirt of the character i am making on two different places to have a riplled part and another part underneath the top part of the skirt. For that to work i needed to flip the normals on ...
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25 views

Make displacement modifier line up with poles of object?

Here is my problem. i have added a default bezier curve and used the screw modifier on the X axis to turn it into a teardrop/vase shape then converted it into a mesh. now if i apply a displacement ...
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224 views

How do I view normals in blender 2.8 - 2.81

How would I see the normals because in past versions it was in the thing that comes up when you press N. Where is it in blender 2.8 also is there a shortcut Key.
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25 views

How to access custom normals from python

How to access custom normals (for export) using Python API for Blender 2.74? Need code sample. I have successfully imported custom normals with code: ...
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1answer
44 views

Mirror modifier - the mirrored half is darker

I am working on a complex project with different 3D models I downloaded from the internet. I have to mirror many of them relative to the global x axis (I used a plane as mirror object), but as you ...
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20 views

I cannot bake the high poly details to low poly model

As in the title, i am trying to bake the high poly details to low poly model, but it just doesn't seem to work. I have tried using different ray distances but this only makes the text disappear. At ...
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16 views

Cycles normal map not working / conversion weird

I'm working with the 2.8 release build and I have a problem with normal maps. It seems like I'm missing a basic thing in the conversion of normals into cycles. My setup is as straightforward as it can ...
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22 views

Shrinkwrap snapping wrong way?

Why isn't my new mesh staying above my sculpt? I started around the nose area and it was originally on the outside but very quickly after creating just a few more faces they stopped snapping to the ...
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25 views

Importing .obj, normals appear randomly flipped

I am trying to import a .obj model in Blender. The .obj in question can be downloaded from https://poly.google.com/view/9pffFcv7LSm. When I import the model in Blender, most of its faces look inside ...
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1answer
79 views

Magic box, objects inside visible only through hole

I'm on Blender 2.8 and I want to create a special shader, which is harder than I thought. I want to create a box, which contains more objects inside. The front face is a hole where we can see the ...
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1answer
31 views

Why does applying smoothness to a mesh reduce the number of vertices?

I was playing around with Blender meshes and importing them into Unity when I made an interesting discovery. In the tool shelf, under "Shading", there is a Smooth button and a Flat button. Now I ...
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24 views

Trying to bake feather detail onto a bird but result is pure Chaos, Help

As stated, I am baking feathers onto a bird's body but the result when baked looks like pure chaos. I thought this would work out because it worked great on the wing. The feathers baked great to the ...
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1answer
30 views

Weird see through geometry in orthographic view

I'm importing an object into blender and for some reason it looks fine when in perspective view but as soon as I switch to orthographic view some of the faces disappear/are rendered weird. I thought ...
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35 views

Extruding edges into cards?

I'm modeling cacti at the moment and wondered if it was possible to use the base shape's edges to create needle cards somehow. I've tried to duplicate the wanted edges into a separate object from ...
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23 views

How can I selectively change custom split normals in python

Using 2.80. I have a solution how to get the wanted loops via the bmesh faces. I can set all split normals at ones with normals_split_custom_set. But for this to work I need to read the old normals so ...
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1answer
31 views

Wierd shading of nomals

Ok I have no idea what is happening here. The back side of my faces shine through the face in front. I activated "show face normals" so it is better to see. First I thought my typology is mto bad, but ...
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1answer
92 views

Blender 2.80 fix normals after boolean

Hello, I am looking for help in solving my problem, I used Boolean for my tire, the result is visible in the picture, I have been doing the tire 5 times and I have the same effect all the time, please ...
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21 views

Problem with Baking Normals in blender

From the image you can see the render looks great but every time I try to bake normals it looks yellowish like the image, can someone tell me what am doing wrong,or if there is another way to bake ...
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23 views

Baking Normals in blender

When I try to bake normals using the settings in the image the normal bakes with weird colors and the object is unwrapped no doubles or inverted normals, can someone tell me what am doing wrong,thanks....