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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156 votes
4 answers
275k 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....
Stephen's user avatar
  • 5,669
51 votes
2 answers
92k views

Why are some faces in my mesh darker?

While rendering a mesh with smooth shading on, I get a dark region/shadow on certain faces. The effect is more evident when smooth shading is applied to a mesh containing ngons, with the ngons turning ...
karthikeyan's user avatar
36 votes
5 answers
225k views

Heat Weighting: Failed to find solution for one or more bones

I cant figure out why I get problems rigging this mesh. I get an error stating Bone Heat Weighting: Failed to find solution for one or more bones Blend file
Champagne's user avatar
  • 363
18 votes
6 answers
134k views

The Boolean modifier is not working

I'm trying to model an M16, but it's not going so well when it comes to the magazine of the weapon. Next to the magazine is a mesh. I want to cut holes in the mag with that mesh. But the magazine ...
Zemah's user avatar
  • 185
27 votes
3 answers
7k 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 ...
Ray's user avatar
  • 373
166 votes
1 answer
489k views

Splitting pieces of a mesh into a new object

I've just made a set of armor by using a male body mesh model I downloaded and selecting certain faces from the model and duplicating them to create viable armor pieces. Since the pieces are just ...
user2016's user avatar
  • 1,843
91 votes
7 answers
189k 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 ...
miceterminator's user avatar
24 votes
1 answer
13k views

Why do the measurements of this object seem erroneous?

I just found out about the Mesh Display : Length feature in the "N" panel (thanks to this seemingly-migratable question) that allows one to measure the length of a face or vertice. But my first ...
MicroMachine's user avatar
  • 4,601
16 votes
1 answer
12k views

Why can't I transform faces, edges, or vertices without transforming the whole object? [duplicate]

My problem is that I sometimes lose the ability to independently translate or otherwise transform any parts of a single mesh. If I try, for example, to just translate several faces, edges, or vertices,...
Matthew Harrison's user avatar
71 votes
4 answers
46k views

When should N-Gons be used, and when shouldn't they?

Support for N-Gons (polygons consisting of more than 4 vertices) has been in Blender for a while now, but many of us still may not know when to use them, and how to do so effectively. In what ...
Peter Cassetta's user avatar
5 votes
1 answer
1k views

Eliminating edges connecting islands

I'm working on a control station that has buttons. It is a continuous single mesh model. That means, I don't want to create buttons and other details separated from the main mesh, but as you can see I ...
505Legion's user avatar
  • 423
35 votes
1 answer
21k views

Why are the longer edges being beveled more?

I'll preface this by saying I'm very new to Blender - I'm trying to put a bevel on an edge, looks something like this: As you can see, the vertical side is much longer than the horizontal side. When ...
Helpful's user avatar
  • 817
22 votes
3 answers
27k views

How to cut an object along a curve?

I want to divide this model into separate pieces to prepare it for the next stage of a project. The divide needs to be made down a curved line (which I hope is visible in picture). , I figured out ...
john's user avatar
  • 321
32 votes
1 answer
42k 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?
Paul's user avatar
  • 323
18 votes
2 answers
7k views

How to approach the modeling of duct work, piping, wiring?

I'm wondering how to approach duct work, piping, and wiring? In the past, I have used the spin tool to make corners, but I find it very cumbersome. How do you do duct work and piping? I have seen ...
lazycody's user avatar
  • 837
16 votes
2 answers
15k views

Is there a way to fill the area between two circles?

There's a way to fill with faces only the area between the larger circle and the the smaller one? I mean.. It's a wheel and I'm trying to fill the rubber part of it. Using the fill function F it ...
Francesco Yoshi Gobbo's user avatar
10 votes
3 answers
21k views

Wrap curve around sphere

I couldn't find this anywhere, which is really strange, but I'm trying to wrap a curve, imported from a .svg made with a vector image program around a sphere to create the Earth. Basically, this is ...
MicroMachine's user avatar
  • 4,601
7 votes
2 answers
3k views

How can I recreate geometry using a photograph?

I am trying to change the floor covering using a picture. How can I define the floor?
Mojtaba's user avatar
  • 71
73 votes
9 answers
129k 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.
Keavon's user avatar
  • 7,953
12 votes
3 answers
2k views

Why does subsurf modifier cause weird deformation at the end of a cylinder?

My problem is simple. I think that the strange deformations on the top are there because there are so many vertices in one face. How do I fix this while maintaining nice topology? Although I ...
user avatar
11 votes
4 answers
5k views

Can't find the palette to alter new objects

When you add a new object into the blender scene, normally on the tool shelf a window will become available where you can put in the objects size or number of vertices etc. These options: For what-...
Rory's user avatar
  • 123
11 votes
4 answers
21k views

Cutting a circular hole in a hollow cylinder without distorting the cylinder

Whenever I try to cut out a circular hole in either a cylinder or sphere the polygons around the circular hole always have distorted normals after smoothing. Is there anyway to fix this. I've tried ...
Ronald Francis Hicks's user avatar
27 votes
6 answers
45k views

How can I make a hexagonal grill?

How would I be able to create a grill of sorts found on the front of some computer cases such as this one
Rei's user avatar
  • 381
93 votes
3 answers
163k 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 ...
Stephen's user avatar
  • 5,669
9 votes
1 answer
5k views

How to make a bevel on text

How can I make a bevel, like in the "Gibson," for my personal inscription? Is there an automatic method to do so?
Nik Fiorentino's user avatar
35 votes
4 answers
80k views

Model a simple 3D spiral shape?

I need to model a simple spiral shape. I imagine the best way to do this is with curves, but I am unsure how to create a perfect spiral shape with curves. What's the best/easiest way to make a spiral ...
Keavon's user avatar
  • 7,953
29 votes
4 answers
64k views

Is there an unsubdivide function in Blender?

I am wondering if there is a modifier or tool that will essentially undo a subsurf or subdivide command.
TheCycleOfBlend's user avatar
26 votes
4 answers
25k views

How are vertex indices determined?

How does the program decide what indices to assign to vertices? If you create a primitive, are the indices generated randomly, or by some base primitive setting? If you extrude new vertices, will they ...
Ascalon's user avatar
  • 6,469
13 votes
2 answers
21k views

Edit Mode Transparent Objects

I changed my Blender Units to Metric System, but when I'm building things, my meshes are transparent, i.e. I can see through faces like in wireframe even though my wireframe is turned off. All faces ...
Ninjin's user avatar
  • 307
7 votes
1 answer
1k views

How can I animate a mesh moving in a spiral fashion?

I want to animate a paper as it's being tightly rolled. I've done some research and seen that using the spiral add on might be advantageous, but I haven't found anything relating specifically to my ...
Metamorph's user avatar
  • 117
20 votes
6 answers
12k views

How can I morph a flat plane to be a flat cirlce?

So I'm making a 2d animation in blender, using the z space as layers, and the camera is in orthographic view. I'm trying to morph a square plane to be a flat circle, but I have no idea how to even ...
DragonHeart's user avatar
  • 1,524
15 votes
2 answers
37k views

display face normal direction in blender 2.8

How can I know if the normals of an object are flipped or not? Because in version 2.8 both normals have the same color and I can't identify if it's a flipped normal, unlike the previous versions where ...
Andrue's user avatar
  • 151
13 votes
1 answer
18k views

Getting "experimental" true displacement to work

I have been trying to achieve a true mesh displacement on meshes for quite some time, without ever getting it to work. If I understand it correctly, this experimental feature would allow me to easily ...
MicroMachine's user avatar
  • 4,601
30 votes
2 answers
12k 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. ...
Haunt_House's user avatar
  • 15.9k
7 votes
3 answers
24k views

Can't get my model out of wireframe mode

I'm new to Blender and this site, so I apologize in advance if I'm not following any of the proper etiquette. I'm no artist, but I'm trying to learn Blender so that I have some programmer art for me ...
user4776's user avatar
  • 117
20 votes
1 answer
9k views

Finding vertices in a Vertex Group using Blender's Python API

Is there an easy way to get the vertices in a vertex group? The only way I've found is pretty brute-force - e.g., to find the vertices of object obs[i] in group "e"...
Jabberwock's user avatar
9 votes
1 answer
29k views

How can I select part of a mesh and make it seperate?

I want to make the teeth a separate child object from the mouth. I want to know the best way to do this. I have tried going into edit mode with Tab and trying to select all the vertices but that ...
DrDoelHoel's user avatar
8 votes
2 answers
2k views

Text on a balloon

I want to create an image like below, so a balloon with text on it. I have been googling for ideas (text, sphere, ....) and came on this earlier question. So I tried Shrinkwrap and Cast modifier. ...
user avatar
30 votes
2 answers
78k views

How to make all polygons into triangles

I need to create test file for my program. But it only accepts polygons with 3 vertices - triangles as input. How can I convert all polygons of some object into triangles? I know how to select all ...
Yola's user avatar
  • 403
18 votes
4 answers
30k views

How to flatten a non-planar face to a targeted plane?

Let's take a non-planar quad here for a simple example, how to only move one vertex on it, to finally make it planar while keeping the other three vertices still?
Leon Cheung's user avatar
  • 27.5k
4 votes
1 answer
2k views

How do I fix a boolean/bisected surface edge?

I am trying to slice up my models using the Boolean modifier. After applying the modifier on my smooth mesh, I get the expected result, a flat dissection to separate my mesh into two. The problem ...
Rhys's user avatar
  • 143
31 votes
5 answers
148k views

Straighten Vertices Along a Line

On a line, I need to line up the bottom vertex points in relation to a top reference vertex point. How could I reset the X Y and Z coordinates of these vertex points to essentially line them up all ...
user avatar
23 votes
4 answers
33k views

Fill cylinder cap with quads

Is there any way of converting the triangle fan found on a cylinder cap into quads.
user877329's user avatar
  • 1,360
18 votes
1 answer
38k views

What are the colored/highlighted edges in edit mode?

There are red and pink edges on my mesh. What do these colored edges mean? How can I use them?
user72708's user avatar
  • 387
18 votes
8 answers
3k views

How to find the number of loose parts with Blender's Python API?

I want to find out how many loose parts a mesh has using Python, i.e. write a function that takes a mesh object as an argument and returns an int. So far I haven't found a way to access this ...
Tim Ayres's user avatar
  • 283
16 votes
6 answers
15k views

How to find if a point is inside a mesh?

I need a python script that would help me determine if a point is inside a cylindrical mesh. I tried the .pointInside(point, selected_all=False) but it is deprecated in the newer versions of blender ...
NewToBlender's user avatar
12 votes
4 answers
15k views

How to make all quads or ngons on your mesh planar (2d)?

I want the quads in my mesh to be planar, or flat, that is, the 4 points of the quad could all be on the same plane. Or in other words, they need only x and y values to describe their "local" position....
Leo Ervin's user avatar
  • 642
8 votes
3 answers
4k views

How to create a circular shaped grid, similar to a manhole cover

I’m trying to create a circular shaped grid, similar to the one in the pic. That’s my first attempt, created by arranging several cylinders with an Array modifier and then cutting the holes via the ...
faybn's user avatar
  • 825
2 votes
2 answers
8k views

Missing objects when opening old file in blender 2.8

I just got a updated to blender 2.8 and my objects that were in hidden layers are gone now, the collection layer tells me that they are in the scene but I cant unhide them also the collection is ...
crovo's user avatar
  • 33
23 votes
2 answers
59k views

How to intersect objects and delete leftover internal planes?

I'm trying to find a simple way to create vertices where two objects intersect and delete the leftover internal planes + then join the meshes so that I have one hollow mesh to sculpt. The reason I ...
friedwelf's user avatar
  • 345

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