Questions tagged [mesh]

A mesh is a collection of vertices, edges, (composed of a connection between two vertices), and faces (composed of 3 or more connected edges). Meshes are the most commonly used object type in Blender.

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61
votes
9answers
89k views

How can I add vertices to intersection of two edges?

I need to put a point at the intersection of two edges. Below is a picture with red circles around where I need points to be placed.
11
votes
3answers
44k views

Cut mesh at intersection

I have an extruded rectangle that intersects the side of the cylinder. I need this extruded rectangle to cut a hole out of the side of the cylinder. Below is a picture: (Ignore the middle segment) I ...
5
votes
1answer
9k views

Remove sharp or jagged edges in mesh

The problematic edges are small, convex, sharp protrusions on a larger concave, smooth surface. Edge split, smooth, and subdivision modifiers do not achieve the smooth surface I'm looking for. Is ...
8
votes
2answers
827 views

How should I handle a split in a retopology?

What's the best way to handle a "split" in retopology? Consider the case of a torso splitting into legs: In this case, each leg ring is made up of 16 vertices, as is the torso ring. What is the best ...
8
votes
4answers
2k views

Image texture intensity on deformed mesh

I'm rendering image textures on deformed meshes like in this question: The parts of the rectangular image that are compressed into the small faces look the same as the do in the flat image, except ...
16
votes
1answer
12k views

How to read vertices of quad faces using Python API?

Preferable in object mode. I have a mesh I know is made of quads only. I want my script to iterate through each quad and do something with the coordinates of each of the four vertices. I have read ...
24
votes
3answers
45k views

Convert Cycles Hair Particle System to Mesh Object

I'm hoping this community can help me solve a issue. I have created a cycles hair particle system to render grass. This is successful in rendering and works great. However I want to convert this ...
6
votes
5answers
26k views

Is it possible to de-bevel all or parts of a mesh?

Is there an easy way to un-bevel parts of a mesh that have been beveled? e.g. Convert this: into a normal cube? Edit: Is this possible with perhaps some trick of calculating where the original edge ...
7
votes
1answer
9k views

Weird Armature Deformation

When I apply an armature to a character (with automatic weight), my character gets a really weird bend on any parts of its body. I have rigged a character before, so I don't know how it went wrong. I'...
6
votes
2answers
2k views

Render a cut through a mesh

I would like to render a cut through an object using Freestyle. Is there a neat way to cut away a part of the mesh in the rendering (not for real) without using The cut tool (manipulating the mesh) ...
5
votes
2answers
1k views

Change UV Positions for Linked Objects?

How would I go about editing the UV layout of a linked object without changing the UV positions of the other linked objects? I'm trying to share the mesh geometry between dozens of objects while using ...
14
votes
1answer
9k views

How can I hide 'mark sharp' lines?

Right now I'm working with a mesh, and have several lines that I've marked sharp. Now I'd like to mark seams to unwrap it, however the cyan 'sharp' lines are always on top of the red 'seam' lines, ...
7
votes
2answers
1k views

Mesh appears normal in solid mode but looks weird in textured mode

I have Blender 2.49b and have this model: When I change mode to Textured, the windows look weird: When I go back to solid mode, it's normal, but the biggest problem is when I export the model, it ...
36
votes
1answer
14k views

What's the fastest way to select every other vertex of an edge ring?

What's the fastest way, without using Python, to select every other vertex of an edge ring with an even number of verts?
46
votes
4answers
222k views

How can I round the edges of a mesh?

I have looked at other similar questions on this site but couldn't answer my question. I have a model made of cubes the edges look very sharp (I would put a picture here but I don't have the required ...
29
votes
2answers
8k views

Is there a way to unfold a mesh?

Is there a way to take a mesh, cut it with seams or sharp edges and flatten it, so that the faces stay the same shape and size? Making paper models is one aspect, where you could use that technique. ...
6
votes
2answers
959 views

Preventing axis being messed up by adding new objects to the scene in Front Perspective View

I've already had question according array modifier. I had changed object alignment from 'Align To: World' to 'Align To: View' in the 'User Preferences'. It's because i wanted to add objects in 'Front ...
6
votes
1answer
4k views

Subdivision-surface giving strange geometry with tris

When I try to create a geometry like this I get defects like this that also show up in the render How could I avoid this? I am using a 2 times catmull-clark subdivision surface modifier
8
votes
2answers
3k views

What defines matching topology?

In a previous question it was shown that a mesh that was duplicated and deformed separately can be used to define a shape key in the original mesh. If the vertex count doesn't match then you get an ...
4
votes
1answer
468 views

Computing and animating mesh deformations

I have two different meshes with the same topology, and I'd like to animate one deforming to the other. I believe I need to somehow compute and apply the deformation between the meshes, and set the ...
8
votes
5answers
800 views

The best way to do twist-like bridge?

I just wonder if there are any ideal solutions to do this without using lattice deform, etc. Thanks! Update: I found I've been using a more regular and simple thing for illustration. Now what I ...
43
votes
1answer
120k views

How to unlink a linked-duplicate? [duplicate]

All is in the question, we can duplicate object with SHIFT+D but also with ALT+D, which is quite handy, because as you know every changes done on a linked duplicate object will be repeated on others ...
13
votes
3answers
3k views

Is it possible to prevent a Displacement modifier from affecting certain parts of a mesh?

A Displacement modifier is doing a great job making a mesh look a realistic object, but there are certain spots, such as a dozen or so vertices at one corner of the mesh, where I don't want any ...
3
votes
1answer
566 views

Preserving the size of an object

If I import a Stanford ply mesh, scale it using S, export it, and import it again, the mesh data hasn't actually changed. How can I use blender to scale the vertices contained in mesh data, and ...
10
votes
3answers
1k views

How to set the default vertex count to added geometry?

I wanted to know whether there is a way to set the default amount of vertices of added geometry (Such as default circles and cylinders) ? Changing the amount from 32 can get quite annoying as I am ...
9
votes
3answers
2k views

How to toggle between Flat and Smooth shading during animation?

The Edge Split modifier doesn't give me desired results (even with angle set to 0 it looks different).
7
votes
4answers
5k views

Turning a ring of vertices into a plane

I've got a ring of vertices. How can I add an edge from a newly added centre vertex, to every other vertex in the mesh (and then add faces between all of the new edges)?
12
votes
3answers
10k views

Fixing a messy boolean operation

I'm splitting an object with a plane using a boolean modifier as described in Split a mesh with a plane. Roughly: Duplicate the object. Add a plane. Apply an intersection Boolean modifier to the ...
9
votes
1answer
6k views

How can I delete mesh parts with python?

Suppose I have identified or can identifiy some meshparts I no longer want in my mesh and want to delete them, how would I do it? I know that bmesh.ops.delete exists, I just don't know how to use it, ...
11
votes
5answers
29k views

Subdivide and separate face into different meshes

Is there a quick way to subdivide a face and then separate the resulting faces into separated meshes? Here's what I am doing now: Select the face Subdivide the face (e.g. into 16 square pieces) ...
22
votes
9answers
19k views

Efficient way to get selected vertices via python (without iterating over the entire mesh)

What's the best/fastest way to construct a list of selected vertices for a mesh object in python? I want to avoid iterating over every vertex in the mesh if possible, since that seems like a really ...
19
votes
1answer
42k views

Split a mesh with a plane

I'm trying to split a mesh into two pieces along a plane like in this video, using Blender 2.62. The closest I can come to splitting a mesh into two pieces along a plane is this: Add a plane Grab ...
25
votes
3answers
6k views

Shadows along edges of mesh in 3D View

I have recently started using blender and one of the models I'm working on has dark shadows along edges. I started this model from scratch. I can't remember them being there when I first started the ...
25
votes
2answers
41k views

How can I get vertex positions from a mesh?

I want to read the vertex x and y coordinates with a script or a function. How can I do that? The MeshVertex appears to have ...
13
votes
5answers
4k views

Best way to "sculpt" sphere-shaped holes on a sphere surface?

Sorry for the confusing title, the best way to explain it is to look at my image (don't pay attention to the lines connecting the holes and sorry for the poor quality) I have been thinking about this ...
17
votes
1answer
14k views

Understanding mirroring and inverting an object

When you look in the mirror you see your face flipped left to right. What you don't see is your skin turned inside-out. That would be horrific! Now if we take the gorgeous Suzanne (Monkey) and tab ...
13
votes
2answers
7k views

Is there a way to offset an edge? (extrude edge loop perpendicular to each edge)

I recently figured out how to do it with faces, but with edges, I can't seem to get it to work. I have a complex flat plane and i need to extend an edge loop. I tried setting to individual origins in ...
13
votes
2answers
3k views

Is there some way to map different image textures to instances of linked duplicates?

My understanding is that linked duplicates share an object's material properties and mesh data, but not its object transform properties. In a scene I am working on, I very much like the efficiency of ...
5
votes
1answer
125 views

Procedurally weight a mesh based on the face angles of an animated mesh

I would like to procedurally emit particles (fluid mode) from the 'steepest' parts of animated 'waves' created by a Ocean modifier to attempt to emulate foam and splashes. I assume frame by frame ...
6
votes
1answer
458 views

Why are my mesh edits reverted?

I've received a model from someone else. Any changes I make to the mesh in Edit Mode seem to be undone when I return to Object Mode. On the left is the mesh in Edit Mode, on the right is the same ...
85
votes
7answers
159k views

How to smooth shade an object while retaining hard edges?

I frequently come to the problem of having a mesh with parts I would like to render smooth and "hard" edges connecting them. How can I set the mesh to show the sharp edges but render everything else ...
10
votes
2answers
420 views

Assigning different wire or halo materials to different parts of a mesh

This is a follow-up question to Stephen's Add different materials to different parts of a mesh? As explained there, it is possible to assign different surface materials to different faces of a mesh. ...
138
votes
4answers
245k views

Add different materials to different parts of a mesh?

How do you add more than one material to a mesh? I have tried adding two materials to the object, and then assigning one of the materials to a vertex-group, but I could not find a place to assign it....
32
votes
1answer
41k views

How can I duplicate a mesh along a curve?

I want to outline a curve in the form of text with a mesh (UV-sphere, cube etc.). How can I do that while saving mesh geometry without using the Curve modifier?
7
votes
1answer
4k views

How can I copy or duplicate several objects in one step?

I am building a tenement. After I have built one course of bricks I want to duplicate them to form an adjacent course, but with a negative scale, in the X axis. When a story has been completed I want ...
13
votes
1answer
8k views

Is it possible to apply a bezier curve along a mesh?

Is it possible to apply a bezier curve, along the surface of a mesh?
12
votes
2answers
4k views

How to draw line between intersecting meshes in Freestyle?

Is it possible to draw a line between intersecting objects? With my current setup, it won't draw anything between them.
26
votes
3answers
25k views

How to add roughness to a surface using modifiers?

I'm trying to make a roughened parchment-like material. I don't want to just use a texture, because I want to take a low-angle shot that lets me see the actual bumps in the surface. I currently have ...
79
votes
3answers
114k views

Add the Same Modifier to Multiple Objects at Once?

Is it possible to add a modifier to more than one mesh at once? I have a lot of unique objects, and I want to set a subdivide modifier to them, would I have to do each one individually? I have ...
34
votes
3answers
30k views

How can I convert an SVG to a mesh?

In Blender, extruding and beveling of SVG imported objects, works very well when they are still bezier objects, but the conversion of a SVG path to a mesh is very ugly, with a lot of unnecessary ...