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.
1,406
questions
7
votes
2
answers
4k
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 ...
- 17.6k
7
votes
4
answers
8k
views
Hard-edged polygons with normal maps
Background
I'm making a character for my game (with MakeHuman), and I wanted to add normal maps to the characters. I generated one low-poly character and then one high-poly using a bunch of Subsurf ...
- 315
7
votes
1
answer
1k
views
How do I create a two sided plane with subsurface scattering for modelling leaves and foliage?
Usually leaves and foliage are modelled as thin polygonal planes with no thickness. Because of the amount of geometry required to achieve dense realistic foliage, modelling them with any thickness ...
- 1,061
7
votes
1
answer
14k
views
Disable double sided normals
I'm currently using the latest version of Blender and I've noticed something different. Models seem to render both sides of a model when in texture mode - I recall in previous versions that only 1 ...
- 129
7
votes
2
answers
2k
views
How to keep the vertex normals after deleting an edge/face?
When replacing sparse quads with a custom mesh, I create a "base vertex" on each quad, in order to cause a Particle Instance modifier to spawn the custom mesh at the right place (like for spawning ...
- 2,811
7
votes
1
answer
9k
views
How can I bake a normal map with smooth, beveled, edges, when the low poly has sharp ~90° edges?
Background
I have been trying to solve a seemingly simple problem with normal map baking in Blender 2.9 since last weekend. I wanted to make sure that I read and researched as much as possible before ...
- 81
7
votes
2
answers
732
views
Is it possible to manipulate normals explicitly in Blender?
Like the question says, can I manipulate normals explicitly?
The reason I'm asking is because I'm making a game and I want to make some objects that fit together with other objects as they are placed ...
- 235
7
votes
1
answer
2k
views
Vertex Normals different from loop normals
I'm writing a model exporter in Blender 2.77 and except from triangles and vertex positions, I also want their normals and tangents.
As an example, I'm using a simple cube centered at the Origin (0,0,...
- 318
6
votes
4
answers
17k
views
Clear Custom Split Normals Data on all objects
I am cleaning up a large file imported from another program with 500+ objects. All of these objects have Custom split normals that need to be cleared, and then Auto Smooth turned on. I know I can make ...
- 6,647
6
votes
2
answers
23k
views
Hide back faces in 3D View?
How do you hide back faces so that you only see faces when its normal is facing the camera? When exporting it for use in a game, the face is rendered in only the direction of its normal, so this would ...
- 8,073
6
votes
3
answers
1k
views
How can I know where the normal ring is convex and where is concave?
Normals to understand - How can I know where the normal ring is convex and where it is concave?
- 1,055
6
votes
2
answers
2k
views
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 ...
- 79
6
votes
2
answers
6k
views
Display values of a normal of a selected face
We want to see the three values of a normal of a face when we select it in edit mode.
How to do so?
Is there any add-on showing these sort of info realtime?
Update:
It seems the accepted answer ...
- 1,607
6
votes
2
answers
7k
views
Access to Vertex Normals in Geometry Nodes
vertex_normal was a Mesh attribute, available in Blender 2.93's Geometry Nodes. It has since disappeared. The normal attribute ...
- 78k
6
votes
2
answers
5k
views
Why OBJ export writes face normals instead of vertex normals
I am confused by the content of OBJ Blender exports. When I export a (default) cube object (8 vertices, 6 faces) to OBJ and then inspect the OBJ file, the "vn" entries obviously correspond to face ...
- 93