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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16 views

Is there a way to bake a model's normal map in chunks?

I'm very new to texturing in Blender. When baking the normal map of my model, it is unable to render correctly because my model has too many varied spacing lengths between geometry to have a "ray ...
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1answer
30 views

How do I merge smoothing shaders seemlessly without joining objects?

I'm having an issue with creating a game asset for the Creation Engine. I am trying to have two objects, a head and body, match seamlessly together without joining them. They don't and it's because ...
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Artifacts on cycles render [duplicate]

I got this weird box artifacts on my model: I thought it was the normal map, so I removed it. But it's still there: How can I get rid of it?
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43 views

display face normal direction in blender 2.8

how to know if the normals of an object is flipped or not. cause 2.8 has only the same colors of normals and i cant identify if its a flipped normal. unlike the previous versions that there are to ...
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2answers
44 views

Why is this simple primitive shaded so weirdly?

I made sure everything is quads , I've checked the normals, I've unmade and remade all the faces, no luck. Why is the shading still so weird? All I did to create it before I started trying to fix ...
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1answer
15 views

How can I combine two displacement without the face normal changes of one screwing up the other?

I'm looking to apply an animated displacement to a surface which has already been displaced with a cloud texture (creating an organic lumpy base surface). It should look like this... ...applied to ...
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23 views

Normals not completely baking

So, I'm trying to bake a high-poly mesh onto a low-poly mesh. I made sure to check the "Selected to active" box. And I've played around with the ray distance. But no matter how I tweak it, the normals ...
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28 views

Normals of exported Blender model (.fbx) are not correct displayed in gameengine (CRYENGINE)

You can see in the first picture that the normals of the left pillar are not correct displayed. This happens with all "subobjects" in the model that are duplicated AND mirrored. The model is created ...
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1answer
46 views

How to get perfect baked normal map?

I am pretty new to blender and I am trying blender 2.8. Whenever I am trying to bake normal map from a high poly mesh to a low poly mesh using cycles render, the results are not accurate at all. I ...
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10 views

Baking only works when I restart Blender

I have a model with many separate parts and I need to bake all of the normals onto one map, but baking only seems to work when I restart Blender. Is there any way to fix this? Thanks. I made a video ...
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14 views

Can you extrude along custom normals?

Here's a UV sphere; a panel has been cut into it. These are its vertex normals: These are its face corner normals: These are its face corner normals under a Data Transfer modifier from an intact ...
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1answer
35 views

How can I change Blender's output image resolution?

I am currently trying to make a normal map for a texture I made. That texture has a 2048x2048 resolution. When I bake the normal map and save it to my desktop, the resolution of the normal map is only ...
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3answers
75 views

How to enable auto smooth option for unreal engine?

When i export my object into ue4 it looks awful without auto smooth option I see auto smooth is disabled in unreal engine. Is this possible to enable auto smooth for unreal engine ?
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37 views

Solidify Modifier and Rim Surface Normals

I’ve built a character surface and I’m using the Solidify Modifier to give that surface thickness and turn the surface into a shell for 3D printing. The shell must be divided into sections to be ...
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22 views

Baking through python

The script I have now imports an fbx, deletes the existing material and assigns a material that comes with the .blend scene. Then the idea is to bake out the cycles normal after, but I'm getting a ...
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1answer
39 views

Modeling a picture frame

I'm doing a VR Museum and I need to model some painting frames (picture for reference). I know how to make the basic structure of the frame, but the organic details are what's really bothering me. Is ...
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14 views

Problem with baking normals

I am trying to bake the normals of this model onto a low-poly version of it (basically, almost the same model without a bevel modifier applied). However the normals do not seem to be baked correctly. ...
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14 views

Use hairs' direction to set normal direction?

Is it possible to use the direction of hairs strands to set new custom normal directions using Animation Nodes?
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8 views

Backing normal map line artecats

I'm backing normal map in cycles and it seems to be baking fine except I'm getting line artefacts on the edges ]2
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1answer
23 views

Color ramps with normals, 2.8 Eevee Style

See screenshot of my implementation In the previous blender versions, I would often create a backlight effect by using a color ramp and normals modifier in the default material settings. The idea ...
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1answer
28 views

Reflection in sphere becomes more distorted as subsurf increases?

I was baking normals from hi poly to low poly meshes. With this specific example of a hi poly icosphere the reflections are distorted, whereas the low poly sphere is less so. so i was just wondering;...
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10 views

Black spots on imported meshes [duplicate]

So I'm not sure how to explain this very well because i can't figure out whats going on, sorry if this is lacking information. So there are certain meshes that I import and there are these black ...
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1answer
39 views

Strange normal map behavior in Cycles (Blender 2.80)

I have a problem with normal map baking from high-poly to low-poly in Cycles. When I apply the normal map on the rendered object appears quads, but in eevee this doesn't appen. The strange thing is ...
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1answer
39 views

2.8 Normal map and Texture issue

Don't know if it's just because 2.8 is still in the process of making, but here's my problem. I have this man mesh (from cgtrader) that came with a normal map and this texture that matches it to put ...
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1answer
46 views

Can not edit object after failed Normal Map Bake

Using Blender 2.79 I am attempting to create a ferret to animate. The body has been created in two versions. Both low poly and high ply objects which are located in the same space. The low poly has ...
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52 views

after applying the normal map my character looks so weird

After applying the normal map this is how my character looks pls help. The file is available here
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2answers
346 views

How can a vertex have a normal?

I understand a normal to indicate the following information: normals are intersections which are perpendicular to the plane of your face I understand this to be a vector. And that a shader uses ...
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43 views

Normals not working correctly 2.8 Blender

Normals are not working for me in Blender 2.8. I tried "CTRL+N" to recalculate outside but they still are not working. I tried also to turn them inside but it also didn't work. This also happens only ...
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1answer
37 views

How to bake normals from sphere to plane

I baked the normals from a sphere to a plane. If I change the view to lookdev it looks right. But if I change to rendered mode with a hdri enabled the reflection on the plane with the normal map looks ...
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36 views

Using a different normal for shadows and shading

I'm using modified vertex normals for making an anime-style toon shading. The thing is, if an object is placed between the light source and the object with modified normals, it's shadow hasn't got it'...
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1answer
16 views

Baked normal map is partly distorted/flipped

I'm trying to bake a normal map from high res model onto a low res one. Normals are all okay, no modifiers, no double vertices. Result is the same when baking the map in xNormal. Result is the same ...
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1answer
33 views

Vector Math to Determine Gravity Path

I need to code a function that basically traces the path a sphere would roll when placed on a triangulated terrain. The image below shows the problem, but I haven't got a clue how to work with vectors ...
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1answer
207 views

How to flip normals/direction of curve geometry in 2.8 [duplicate]

I'm trying to make a seat belt. I've pulled a loop off the seat and converted that geometry to a curve, and then extruded/beveled the geometry in the curve properties. It works, but it's making the ...
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22 views

Blender mesh transparent in UE4

Hi I'm having a problem with this mesh of mine. It's a relatively simple object, but it keeps appearing as transparent in UE4. I think it has something to do with normal but I'm not sure what exactly. ...
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2answers
30 views

How can I quickly make two normals opposites?

The best way I can really explain this is, in a 2D space, two lines are parallel when you can draw a perpendicular line between both of them. In a 3D space, if you have two surfaces that are facing ...
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29 views

Why are my normals not applying correctly onto my model?

When applying some baked normals, both object and tangent baked, onto my model (Shown Below or Above), the normals show up on the model; however, the normals are not in the correct location. After ...
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9 views

normal mapping transform based off face normal axis rather than world space axis

so I'm trying to make a "holographic' or "rainbow chrome" material by having each color reflect off the surface at a different modified normal angles by plugging the Geometry normal input node vector ...
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2answers
56 views

What causes these black streaks along certain (concave?) edges?

I have a model with an open mesh terrain surface and some closed building meshes – when rendering in Cycles I'm seeing black streaks along some mesh edges. On the building models it seems to be ...
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30 views

Export model from Sketchup as DAE then into Blender having issues. What am I doing wrong?

Ok, so I take a model in Sketchup, export it as Collada .dae file, and import that into Blender. The model is a solid, white on the outside, and red on the inside so I can tell which face I am ...
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1answer
32 views

Non Manifold object ? why hole is not print with 3D Printer?

I don't undestand when why i print my gear (with central hole) the hole (only on the top) is fill and not print. There's problem in my blend project ? Is non manifold ? I hope someone can help me ! ...
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1answer
29 views

How to avoid faces overlapping when bridging edge loops

I want to create a bottom wall and to do it i add a circle and then use "bridge edge loop" But the result is strange: I don't want a face also inside circle (beacause it will be a hole). I hope can ...
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1answer
88 views

Move Faces along individual normals

I need a way to move multiple selected faces along their individual normals. When you google for this you´ll come along this solution. This solution is working exactly the way I would need to but ...
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0answers
23 views

Why call calc_normals_split before acessing normals

When accessing normals from Mesh Loops, why do most export scripts I’ve seen, call calc_normals_split function? Isn’t this function used for custom normals? And why ...
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0answers
14 views

Baking High Poly Normals Half done

Been trying to bake normals for the first time, using cage. I've run into an issue even when following various tutorials. What would cause the bake to only bake whats shown in the image? If you need ...
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0answers
13 views

Why does pinning in blender mess up normals?

I am trying to make a cloth animation for my character and when the animation starts the normals in blender seem to be messed up.
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0answers
54 views

Blender 2.80 Beta baking texture for unity

I'm coming up with an issue I could not solve yet. I want to create assets for unity. These assets consist out of different meshes (LOD0, LOD1, ...) and multiple materials. So usually bake (albedo, ...
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0answers
33 views

Make Normals explicit with python

I do have a problem with normals in Blender. I tried to recreate a script for Blender that we are using in 3Ds Max at work (the original script: http://wiki.polycount.com/wiki/VertexNormal#...
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1answer
59 views

Imported object into unity lighting not working correctly

So the jist of it is I'm trying to get a toon shader to work on imported object from blender, I get this terrible looking jagged lighting in unity. ( the left tombstone ignore the one on the right )...
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0answers
57 views

How can I import a pointcloud with vertex normals from .ply?

I am attempting to render a series of around 1 million cubes by using dupliverts with a point cloud and a 'base' cube. I am able to import the points using .ply format, but when I inspect the vertex ...
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1answer
57 views

How to edit a split vertex normal without affecting others?

I apologize for the long post ahead, but please bear with me: I am facing a problem which, after transferring normal, I want to edit split vertex normal to fix shading on a particular face, but avoid ...