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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104 views

How to create a notch on a surface w/o messing up with the edges?

I was making the lid of the Starbucks cup and this problem occurs to me. I don't have a clear idea how to make the notch on the lid for drinking. Knowing about the knife tool I gave myself a try, with ...
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1answer
291 views

How to display backfaces in black or other color in Blender 2.8?

Backfaces always appear transparent. Is it possible to display them in black or another color? Different from the color of the front faces, of course. Turn on Face orientation is not an option, as ...
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48 views

Do Custom normals work in Animation Nodes?

Generally I want to direct polygons along custom split normals, or at least get them work in AN. Can it be done?
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28 views

eye texture issue

i'm not sure why the eye texture is appearing this way. I've already tried recaculating normals / flipping them for the eye but this has not worked. any suggestions?
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1answer
340 views

Particles/Hair: How do I adjust the normal so the spikes go the same way around the object?

Is there a way to adjust the up/rotation of a face's normal, so all the spikes flow the same way on the object For some reason they seam to flip over when I apply this particle system to the simple ...
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81 views

Textures getting darker when inside of a cube

I'm using Blender 2.79 and Cycles render. For some reason the textures get darker from the half to the top of the cube, even with the normals facing the right direction (inside). The light source is ...
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2answers
255 views

How to edit normal direction

I am trying to point the face normals to another direction than the face is facing. I want the face to be about 45 degrees and the normal pointing straight up. But no matter what I use, normal edit, ...
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2answers
157 views

What do the new popover “Normals” in 2.80 do? How to use it?

I noted a new popover in mesh edit mode: I try to play with it, add custom split normals, auto smooth, but see nothing happens with model. How to use it, or it just doesn't work?
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38 views

Where display normals is located in Blender 2.80? [duplicate]

I would like Blender 2.80 to display face normals in edit mode. Where this option is located inside the GUI in Blender 2.8?
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1answer
84 views

Does seam itself affect baking?

Hi. I can't bake properly. after countless time of trying I still don't know what causes this though the set up is exactly same as tutorial video. 'white' space just doesn't show up except for the ...
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1answer
454 views

Weird colors in normals map

so everytime i try to bake normals i get these weired colors Things worth mentioning im using blender (blender cycles) ray distance = .1 Blend file https://drive.google.com/file/d/...
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26 views

Any idea whats going on with these back legs? [duplicate]

I tried removing doubles and nothing happened. Not sure what else to try
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87 views

Normal map tangent without subdivision

When i apply a normal map tangent, i need to subdivide the mesh for the effect to happen. When i apply a normal map object, the map takes effect without subdivisions. How do i not have to subdivide ...
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0answers
450 views

Texture painting on a model with a normal map

I have a lowpoly model with a normal map with a highpoly version of it and now want to have handpainted textures for it but cant find a way to do it efficiently since once you enter texture paint mode ...
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0answers
507 views

Big problem when exporte normal map from Substance Painter to Blender

I need help. I have this problem when I export a normal map from Substance Painter to use in Blender. As you can see in the images it show some dark spots in the object, and it looks worse at ...
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1answer
119 views

Align normals to camera with material nodes

I am using the Normal Edit modifier (aka Set Split Normals) on directional mode to align an object's normals towards the camera. This gives me some of the shading that I want. However, it causes me to ...
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158 views

My normal map isn't working

I've been having troubles with baking some high-rez meshes and it seems that the problem is not my baking, but something else. I've added some topology to a "brick", retopo-ed it and then baked it, ...
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1answer
92 views

Weird triangles on flat surface - extruded svg

I extruded an svg file (vector curves) and am getting all this weirdness (triangles visible on flat surfaces) when I render it. I'm sure this is a simple answer, but what is going on?
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1answer
37 views

Normals not normal?

I was modeling a door knob and no matter how many times I recalculated normals, the doorknob renders black. Maybe it's something else but if anybody has suggestions how to fix, it would be greatly ...
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0answers
130 views

Plane backface culling

I'm trying to get a plane without one face culled. I have tried to tick the "double sided" box in the object data, but it didn't work. So i've tried to duplicate the plane, flip the normal and join ...
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2answers
247 views

Baking Normals produces grid mesh on result

I have searched around and cannot seem to find any relative info on this issue. Only one forum post that claimed you need to subdivide the low poly mesh more in order to get rid of the mesh grid baked....
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33 views

Why is my baked normal result is so whirly and jaggy?

im trying to apply highpoly to low poly model but the result of it is: here is the original highpoly version, how the result was suppose to look:
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1answer
227 views

How to fix wrong normals after subdivide/poke on a mesh containing a custom split normals layer?

ScreenShotBefore: ScreenShotAfter: As you can see, the new face normals are all identical to the original one. I wonder if they could have been smoothed in some way? None of these will auto-fix ...
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1answer
26 views

Create proper UV islands without removing vertex doubles

Currently I'm creating a very low-poly model where there needs to be a high contrast between different Surfaces, so the normals of each surface must be equal to the perpendicular of the surface. When ...
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1answer
112 views

Why do normals have two directions?

First, this is not a duplicate of questions asking what are normals or why do we use them. I understand that they indicate the angle a surface or point is "facing" and we use this for shading and ...
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0answers
281 views

How to merge vertices without affecting custom split normals?

I have a model with some split edges that I want to merge: Both vertices and edges are duplicated along the selected edge loop. You can see the duplication in there being two vertex normals (blue) at ...
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1answer
203 views

Any extrusions (including solidify modifier) only extrude faces in global y axis, rather than using normals [duplicate]

I'm trying to create a shirt for a model by extruding some faces out a bit, but no matter how hard I try, the faces won't extrude properly. I've scoured the internet already, but haven't had any luck ...
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1answer
133 views

How do i stop the normal map from offsetting light?

I'm making a project in a blender and the road has a normals map. However, when I add the normal map the light is offset. This is really annoying and it ruins the scene. I am using blender 2.8, but ...
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1answer
140 views

Round of a half cut cylinder with subsurf

im trying to model a half cut cylinder with an axial cut section. The Cylinder has a subsurf modifier. As long as the cylinder is cylindrical, it is perfectly round (Type A). If i remove the half of ...
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1answer
33 views

Select faces with crossing normals

I'm working on a geology surface model, and I'm trying to find an automated way to identify cracks, rifts or crevasses. One way I thought of is to identify faces with normals crossing at a certain ...
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1answer
118 views

very simple Z Normal axis rotation

new to Blender, so please forgive if obvious.I have been looking for an answer on this.... Goal: Simple object (e.g. cube) , once rotated 45 degrees, can have rotation on its Z Normal animated. I ...
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2answers
867 views

Procedural random/different colors based on normal direction

What I have. A simple subdivided Cube with circular holes in it - every side, six of 'em. Holes have they own material, and each of the hole has different color. Holes are completely flat. I have ...
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2answers
2k views

How to show the normal of a face

How do you show the normal of a face in Blender 2.8. It used to be in the properties panel (n to show) but now where has it gone?
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1answer
37 views

Surface normals still regular in edit mode after displacement map

I am trying do perform a displacement map in a conical shape. I created a circle, extruded in Z and resized at the other side. After that, I selected everything and subdivided to have a bunch of small ...
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1answer
259 views

How can I make my selected edges render at a smooth angle?

In comparison, Autodesk Maya had a normals modifier tool in the toolbar which you could select Soften Edge or Harden Edge. Soften Edge would make edges render up to 180 degrees giving it a smooth look ...
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1answer
57 views

Blender boolean modifier difference make distorsion

I'm trying to create a difference between two objects. Let's see my object below : As you can see, I get a really bad result. I would like to show you my shape before applying the boolean modifier. ...
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0answers
57 views

Calculate normals for non-manifold mesh

I'm currently playing around with unity and tried to create a room in blender and import it to unity. The room is a non-manifold mesh (on purpose) - because nobody is going to see that room from the ...
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1answer
105 views

Perform multiple face transform using individual axis

in edit mode, i select 4 faces (image1) and i want to scale them using their own individual normal axis so i can get the result as in image2. How can i do this without manually do it one by one ? is ...
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158 views

Normal Map weirdness!

Newbie Blender artist here and I'm having some issue with a Normal Map. The Map seems smooth but when rendered it seems to show some weird topology rather than smooth surfaces. If anyone could help me ...
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1answer
96 views

How to texture paint only one part (normal map)?

Ok, Ive baked normals and there are some I want to get rid of completely - meaning go back to the purple color so they dont show up black. I dont need them and want them gone, but need them on other ...
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1answer
347 views

Cycles weird baking behavior: changes to another image texture mid-bake

Blender enthusiasts! I'm nearly done with Aidy Burrows' Game Asset Creation course and ran into weird baking behavior from Cycles while making my final textures for the game model. Details of the ...
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1answer
403 views

Extruding along vertex normals gives weird result

I know I'm probably making some silly mistake after hours of consecutive work. I have a cylinder representing a gun barrel, and at one point I want to add a 'ring' around the barrel, as shown below. ...
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1answer
185 views

How to fix shading issue on a flat face?

Here's a simple shape with two bevel modifiers and smooth shading turned on, but the shading on the flat surface is distorted and wrong. I've tried recalculating normals with CTRL N. How can I fix ...
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0answers
34 views

Shadows not calculated properly for some of the faces in the mesh

I'm running into this issue guys where I'm rendering these dark faces even though the normals are correctly placed. I used the knife tool to cut-up the mesh for most of teh scars and cracks you see ...
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0answers
96 views

How does “Flip Normals” affect Face Corner Data?

I use the "Normal Edit" and "Data Transfer" functions a lot, therefore I'm working with custom Normals with Face Corner Normals that differ from the Vertex Normals. The Pink lines represent the Face ...
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0answers
985 views

What does 'Mark Sharp' *actually* do?

In the course of teaching myself Blender, I've always been led to believe that marking edges 'Sharp' had an effect only if used in concert with the Edge Split modifier. But then I saw a couple of ...
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0answers
410 views

Align particle to object normals?

Trying to put these objects (as particle objects) onto a slightly deformed tube model. This is it so far, but as you can see the rotation of the objects is different depending on the vertex it is ...
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1answer
65 views

Can't make proper normal map of corrugated sheet

I have been trying to create a normal map of a corrugated sheet. The low poly model is a simple cube with 8 vertices. I can't understand what i am doing wrong. When I am applying this normal map on ...
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1answer
171 views

weird yellow artefacts when baking normals

does anyone know why this is happening to me ? i tried normals outside, didnt help. Edit: edited caps, and added photos, sorry new to these boards, thanks in advance :)
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0answers
329 views

Extrude Region (vertex normals)

Hi I'm a beginner I just made a couple renders, and I really got into 3D modeling, so I decided to take a Hard surface Modeling course, I was following along and the instructor Extrude the vertices ...