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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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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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17 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
28 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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15 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
48 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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18 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
26 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
23 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
44 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
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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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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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12 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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22 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
29 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
43 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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43 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
29 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 ...
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1answer
43 views

Normal map rendering blocky shading/ shadows

I hope I don't seem like I'm spamming but I've looked around this site and google for advice and non of it is really helping. My problem is that if I use the normal map I baked from my high-poly rock ...
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1answer
36 views

How to reverse normals of thick box

I am trying to create a box or room that has a slight thickness to the walls, with normals reversed on everything so you can always view the inside from the outside(with backface culling checked) I ...
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2answers
81 views

Bake to an object with Solidify?

I am working on some clothing that will be using cloth sim. For this reason, it's best to keep it as a flat mesh without any thickness for the simulation. I then add a solidify modifier after the ...
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2answers
44 views

duplicate the mesh in edit mode and flip normals using python script

I want to make my two sided (input model is collada). so, for that i want to duplicate all the faces in edit mode and then flip normals, and then export the model as fbx. i want to do this using ...
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1answer
50 views

How can I get a smooth rounded shaped normal map?

I'm new to blender 2.8, and practicing how to bake normal maps right now. In this picture, I was trying to bake high poly cylinder to make a low poly cylinder look smoother. I just follow this ...
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1answer
45 views

How to model a flial? [duplicate]

How can I rotate them correctly? I want it with a patricle system so i can quickly add more spikes if needed
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1answer
20 views

My baked normals only appear in material view but not rendered view? [closed]

My baked normals seem to only be appearing in material view and not rendered view. I have no idea why it would be set to this. Unless its something simpler than I'm making it. Please help! <<&...
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1answer
57 views

Normals Not Applying Correctly Onto Model (Strange Placement)

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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0answers
48 views

Blender exports Normals incorrectly

I have been using the remesh - blocks modifier and exporting it as an alembic format. However on export Blender seems to mess up the normals. This creates a sort of smoothing effect when programs such ...
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1answer
42 views

Normals not at centroids

Why aren't the normals for the two inner rectangles located at the rectangle centroids as are the normals for the two outer rectangles? The four rectangles are supposed to be identical. I'm running ...
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1answer
41 views

Cannot get rid of smoothing. But why? (not: “But how?”)

(Note: there are many questions about smoothing - but this does not seem to be a duplicate of those. I referenced some at the bottom of this post.) I have a column. It should be smoothed around the z-...
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1answer
44 views

Export custom normals

I am writing an importer and exporter for a custom binary format. In this format I have triangulated mesh. Each vertex has position, normal, and UV. The importer code sets them like this and it is ...
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1answer
32 views

Reset Normals after Data Transfer?

I set all the normals on the leaves of the tree to point upward using Data Transfer. Unfortunately I forgot to deselect the trunk when I applied the Data Tranfer. There has to be some way to reset the ...
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2answers
82 views

Blender (Cycles Render) Normal Map Baking goes wrong

Who I am and what I do: Hello People! I am fairly new to 3D modelling (still using 2.79) and at the moment I am working on an M1 Abrams low poly tank (around 4600 Tris). What I want to do is use ...
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1answer
35 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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25 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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1answer
29 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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21 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
32 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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76 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
66 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
134 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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32 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
61 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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11 views

Does Blender have MODEL-SPACE under object space of normal map option?

I have a normal map which uses model-space of object-space. However I can't seem to find that option in Blender. I can't find any information regarding this issue by google either.
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1answer
76 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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1answer
24 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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0answers
41 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
75 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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183 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
50 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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Baking problems

Before talking about the problem - if there is already any thread, sorry I couldn't find it and that is why I am asking it here now. I have a baking problem, quite nasty and doesn't look that tasty ...