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Questions tagged [modeling]

Modeling refers to the process of creating 3D objects or entities using a 3D modeling application. This tag is used for anything related to modeling including techniques, tools and tips.

70
votes
3answers
95k views

What is non-manifold geometry?

I am not quite sure what non-manifold geometry is. I thought non-manifold geometry was just floating vertices and hole in a mesh. From my experience this is not always the case however. What is non-...
50
votes
3answers
70k views

Keep sharp edges when using subdivision surface

How can I use the subdivision surface modifier to create more high poly meshes without ruining sharp edges? For example this mesh The sphere should be subdivided but the rim of the cylinder should ...
27
votes
2answers
11k views

Is there any way to edit parameters for an object after it is created?

For example, when you first add a cylinder, you have the option to change the number of vertices, etc, but once you do anything else in blender, it seems you no longer can edit those parameters. Is ...
20
votes
3answers
4k 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 ...
62
votes
7answers
101k 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 ...
109
votes
1answer
307k 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 ...
9
votes
1answer
7k views

Loop-cut won't go all the way around

Alright so I've seen some postings about loop cuts and done some research. I am very new to blender and modeling overall. I am trying to loop cut this concrete barrier. Now I'm following a tutorial ...
52
votes
4answers
19k 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 ...
67
votes
4answers
147k views

How would you cut a shape out of an object using another object?

Coming from SketchUp one of the tools I miss most is the circle draw tool which lets you draw a circle on any face and then you could extrude it in/out. The only tool that I know of that comes close ...
17
votes
4answers
102k views

How to make all faces flip to the right/consistent direction?

What's happening is that I have tried to flip the normals, inside and out, but there are always faces which have to be flipped! Normals recalculated Inside View If I flip them again, all faces get ...
88
votes
3answers
174k views

How to recenter an object's origin?

So, I'm working creating a lamp... yes, newbie here. After modeling for a bit, I noticed that my point of origin was no longer the center of my object: How to I reset an object origin point to the ...
40
votes
7answers
55k views

How to model effectively using exact measurements?

I always struggle when trying to create a floor plan or furniture. How do I model using exact measurements.
12
votes
4answers
15k views

How to curve my mesh

I'd like to curve my object, but I'm considering two options. The first one is to make the object up with lots of vertices, like a sphere can be. The second is to apply some kind of modifier curve to ...
7
votes
1answer
2k views

Missing vertices in Edit Mode

I have append a mesh (rex) from this .blend file. In edit Mode I see different vertices from objcet mode (see pictures). The vertices of belt are missing! OBJECT MODE: EDIT MODE: How can I edit ...
6
votes
3answers
9k views

Subsurf and mirror modifier creating a split in mesh

I was practicing with modeling a leaf using a image reference. Everything went fine and I finished modeling my leaf, but I wanted to make it more realistic (I'll add textures later), I saw lots of ...
28
votes
2answers
8k views

How to animate morphing a rectangular plane into a sphere

How to make a grid-to-sphere animation like this?
6
votes
1answer
2k views

Problems with Curve Modifier

Every time I think I have the curve modifier mastered, it throws me a another curve ball (no pun intended). Why in this blend file can I not get the lights to follow the spiral curve? When the ...
31
votes
2answers
35k views

How to align a cluster of points?

If you have a cluster of points selected like this: how do you align the points so that they create a flat plane?
7
votes
1answer
1k views

Weird line in my mirrored mesh

was following a tutorial where I stumbled into this weird line in my mirrored mesh (sorry for the feet lol) You can also download the blender file
16
votes
1answer
8k 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 ...
5
votes
2answers
7k views

How do I join several objects into one?

I'm creating side skirts for a truck and I am duplicating the frames I want. The problem is it's making the duplicated object into another object. How do I put it into the same one?
32
votes
6answers
51k views

Extrude Faces along Local Normals

I am trying to extrude faces of a cylinder along local normals. 3dsmax can do it easy, couldn't find how to do it in blender. The extrude region option extrudes it as shown in the first example. I ...
2
votes
3answers
2k views

Flat quads (or, why is my mesh so funky?)

I think my question relates to a fundamental of 3D modeling that I haven't picked up on yet. It's very simple: Let's say I have a flat quad. A plane on the XY plane inserted into am empty blender ...
11
votes
2answers
12k 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 ...
1
vote
1answer
628 views

Sketchup-like components (case study) - is it in? or even feasible?

Apart from testing it myself, I've seen a few posts (e.g. http://blenderartists.org/forum/showthread.php?212630-Blender-Duplicate-Group-What-is-it-for-Simple-Question; http://blenderartists.org/forum/...
44
votes
6answers
48k 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.
14
votes
3answers
23k views

why does loop-cut-and-slide ignore some faces but not others?

why does the loop-cut-and-slide operation ignore certain faces but happily cut others?the model is symmetrical so it is a bit strange to pick 3 faces that won't get cut. I tried applying it to see if ...
9
votes
3answers
1k views

Weird deformation between large ngon and edge ring

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 ...
8
votes
2answers
14k views

Smooth shaded model has odd shading

I'm currently working on a model of an X-wing that I'm intending for use in a game and running into a bit of trouble with the shading of the mesh. The upper nose is rounded off where the sensor cone ...
7
votes
1answer
9k 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 ...
28
votes
3answers
39k 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 ...
21
votes
3answers
38k views

How to easily make mesh retopology?

After creating some hi-poly model, i'm always creating low-poly model by approximating that hi-poly mesh with triangle-by-triangle LP mesh - with snap to face mode turned on. So the process looks ...
14
votes
3answers
16k 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?
13
votes
5answers
16k 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
11
votes
1answer
2k views

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

I'm wondering what the best way is 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 ...
10
votes
2answers
2k views

What are the benefits of modeling in one piece, or as separate parts?

Is there any benefit of creating model in one piece or I can create separate pieces and just overlap them to create a visually joint part. For example, the below image were made from two parts 1. ...
12
votes
1answer
1k views

Symetrical bevel

I was trying to model a desk and came across a problem, I can't seem to solve. I wanted to create a simple bevel. I used Mesh > Edges > Bevel on a selected ...
22
votes
1answer
5k 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. ...
10
votes
5answers
3k views

How do you make a mitred corner?

I'm working on making a triple glazing corner sample, and I want to be able to mitre the profile at 45 degrees so I can duplicate it, rotate it and join them to make an elbow. I've muddled through ...
8
votes
2answers
7k views

How do I create a hinged door?

How do I create a hinged door that opens and closes in Blender? If I knew how to do this, then it would help me also create moving control surfaces on model aircraft, such as the rudder and horizontal ...
8
votes
2answers
700 views

How can I make holes on a wrist strap?

beginner here. I'm currently modeling my wristwatch and I'm running into some issues making the holes in the strap. I attempted to use the boolean modifier with a cylinder to get the holes out, and ...
6
votes
1answer
2k views

Curve Bevel function, scale?

Is there a way to scale up the bevel object on one end of a curve, a little bit over each point? I notice the vertex "weight" slider will tweak how much influence each vertex has on the others, is ...
12
votes
1answer
28k views

Mirror modifier is not working, no mirrored object?

I'm learning how to use the mirror modifier and I am having some trouble. When I apply the modifier to my object I don't see a mirrored version of it. What am I doing wrong?
5
votes
2answers
679 views

How do I know the number of polygons after adding a subdivision surface modifier without applying it?

How do I know the number of the polygons after adding a subdivision surface modifier without applying it? I have the number of poly after applying.
2
votes
1answer
262 views

Cut out surplus material

I have a quick question. Looking at the next GIF that I made, what is the quickier way you can come up with to delete the excess material that goes beyond the wall? It is basically the attachment of ...
1
vote
3answers
379 views

subsurf splits the mirrored model into two objects

I tried to subsurf this model that I mirrored but when I use subsurf it splits the model into two objects. Before Subsurf: After Subsurf: Any help would be appreciated.
0
votes
2answers
412 views

Subdivision Surface not making things smooth as they are in the tutorial I am following

I am currently trying to develop my modeling skills, and following a tutorial found on YouTube. The tutorial teaches how to create an anvil. At 19:10 or so into the video, a subdivision surface ...
28
votes
5answers
17k views

How to create an animated Electric Arc or Lightning?

I know about the technique of using a displace modifier with an animated displace object on a thin plane, but there are no "branches", no forking in the lightning. Here is an image from Wikipedia ...
16
votes
1answer
21k views

Simple way to creating vertices at intersecting planes and deleting leftover internal planes?

Title says it, 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. ...
21
votes
2answers
36k views

Bevel specific edges

How would one curve specific edges while leaving others alone? I'm trying to model this (circled) object, But can't figure out how to bevel side edges and leave the front-edge flat. Tried using the ...