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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108 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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17 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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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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10 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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82 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
58 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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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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2answers
150 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
313 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
57 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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54 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
503 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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301 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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84 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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71 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
31 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
64 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
907 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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42 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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31 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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10 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
129 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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59 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
40 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
40 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
332 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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73 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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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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19 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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99 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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39 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
191 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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90 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
274 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
332 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
102 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
171 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
177 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
166 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
48 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
22 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
77 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
106 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
49 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
85 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
144 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
98 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
273 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
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 ...