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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Normals gets deformed when apply bavel… why?

title kind of explain itsself the normals get deformed when i apply bavel. is this soppuse to be like this? and if not what can i do about it? i post a video here to demonstrate the problem: https://...
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An Issue with Normals and SubDivison

A visible seam is observable during SubD operations on a boolean cut. Prior to applying the Boolean I created supporting edge loops which are not approximately* in line, they are exactly* in line, ie. ...
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2.8: Turning on normals on both sides

In Unreal Engine, the roof(this is a plane) of a house object created by Blender is transparent from inside. I guess that it is necessary to recalculate inside normals. However, if I do that I will ...
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Storing the direction of normals to have the desired shader's look

Good morning community. I would like to ask if there is a way to store the direction of the normals (similar to vertex group) , so that the model can have its normals switched to the way I want the ...
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Don't know what goes wrong when I try to bake a normal map

Hey guys im trying to make a mew low poly mesh and get the detail from the high poly one onto the low poly one. However whenever I try to bake the normal map it comes out weird like that on the corner....
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So can someone explain how to bake textures/normals?

I tried baking textures, it turns out this way and I cant figure out what I'm doing wrong.
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Strange dark color and reflection spots on solid mode [duplicate]

I am new to Blender. My model appear darker with strange white reflections/spots, even on Solid Mode. Parts that are disconnected from the main body are fairer for some reasons, and the mirror ...
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How to align origin's z axis to individual object's normals?

I have an ico sphere and I need this random transform for the individual faces. I may solve this by using particles (but don't now how either) anyway... when entering to edit mode and faces I have ...
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1answer
35 views

normal map shows up slightly offset on mesh, but only in cycles render view

I am following a tutorial to make an anvil in blender 2.9.1. I have 2 different meshes, a sculpted high poly mesh, and a low poly, regular mesh. I made sure both objects were on the exact same spot ...
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Rotated normal vectors

If I access normal vectors for a rotated object, they are not rotated together with the object. Is there a way to get them in world coordinates instead of local coordinates?
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Very undetailed normal map, blurry? High poly to low poly mesh help

I am in the process of baking a normalmap from a high poly mesh down to a low poly mesh. I am getting a very blurry looking normalmap with bad results. Is there something I am doing wrong? The image ...
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58 views

Why is my high-poly mesh bake result poor?

I'm new to baking maps in general, so I'm sorry if this is a dumb question. I'm making some drumsticks, and I wanted them to appear used and "beat up", so I sculpted a lot of details into ...
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Mantaflow use in blender

.Blend file I am a blender beginner and after watching some tutorials online I figured I'd give modeling and animation a try. I am trying to make an oil hourglass animation that will move the liquid ...
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1answer
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Normal Flip Modifier

I have 8 objects sharing the same mesh (linked duplicates) and I want half of them to have their normals flipped, so I am searching for a modifier that flips all the normals on an object before I set ...
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Best way to allow water to flow inside this mesh? [duplicate]

I am a blender beginner and after watching some tutorials online I figured I'd give modeling and animation a try. I am trying to make an oil hourglass animation that will move the liquid downwards.The ...
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Failed to export normal image

I simply want to export an image from blender for a getting an overlooked view. The code is from an example to export three types of image including the normal one. The code is not working and I don't ...
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DONUT Displacement Faces and Object are Not the Same

Hey Everyone. So first there was some missing faces on the donut, so I *knife-cut some edges in. From the beginning though, I noticed the displacement is smooth on top then gets randomized further ...
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Make normals face around a sphere not working. Blender 2.8

I am trying to use a data modifier on a foliage asset to make the "leaves" face uniformly in a spherical shape. I surround the leaves in a uv sphere and then select the leaves. create a data ...
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1answer
54 views

blender normals not recalculating [closed]

check out this file https://www.dropbox.com/s/r80hkvh4oulf4ra/faceOneWay.blend?dl=0 I'm trying to fix the normals to all go in one direction. I have tried recalculate and nothing is happening. Is ...
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19 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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1answer
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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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1answer
40 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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1answer
20 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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1answer
28 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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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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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
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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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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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27 views

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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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
34 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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26 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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23 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
91 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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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
73 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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51 views

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
33 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
78 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
39 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
27 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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