Stack Exchange Network

Stack Exchange network consists of 174 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

Questions pertaining to creating, generating or editing an objects geometry. Object geometry is defined by editing and creating the location and rotation of vertices, edges, and faces.

0
votes
1answer
30 views

Blender Guru Anvil Tutorial Base Problem

Ok, so I followed the tutorial pretty much to the letter. I was near the end of video 2. I deleted the bottom face and extruded it together with Clipping and Merge like he showed, then proceeded to ...
2
votes
3answers
84 views

How do I shift a vertex to establish a single, flat surface on a quad?

One thing that I've noticed when drawing quads is that, if a single surface cannot be established using the vertex arrangement (for example, if you add the default plane and raise a single vertex to 1 ...
1
vote
1answer
16 views

How can I fix these non-manifold edges (boundaries prior to remove doubles, non-contiguous after remove doubles)?

I am trying to create a ring for 3D printing. Part of the requirements for 3D printing is to not have any non-manifold geometry in your model. When checking whether I met this requirement, I found ...
0
votes
1answer
43 views

How can I manually fix nonplanar geometry?

I'm going through a course on blender. The course teaches blender through the use of several projects. Right now I'm modeling a low-poly chess set, and we've arrived at the knight. Because we made the ...
0
votes
0answers
22 views

Change from Yafaray to PovRay

I tried to switch the rendering engine from Yarafay v3 to PovRay v3.7. I attach two pictures below. The first one is rendered by Yafaray and the second one PovRay. I understand the color and lighting ...
1
vote
1answer
22 views

How can I thicken the walls of my model for a more sturdy 3D printing?

Good afternoon, I have been trying to print a 3D tile on my XYZ da Vinci 1.0 Pro 3-in-1, with Simplify 3D, but every time I try it seems that the lightness of the walls + the complexity of the inner ...
12
votes
3answers
778 views

Is there a “Volume Select” equivalent in Blender?

3D Studio has a modifier called "Volume Select" that allows using an element's geometry as a sort of selection force field that influences elements in its path. It can be used to transform many at ...
0
votes
1answer
46 views

How to make texture appear only in dark spots?

I'm trying to make a realistic earth but now comes the problem of the lights. Since I'd like to make an animation I want the night lights(which are just a texture with an emission shader) to "appear" ...
3
votes
0answers
44 views

Artifacts when rendering irregular mesh in Cycles (black lines)

when I render with Cycles any mesh (specially planes) with a bit of irregular shape (by using previously, for example, a displacement map) some black lines appear on it. Those black lines are not ...
0
votes
1answer
40 views

How to add a embossed/debossed logo to a curved surface?

I’m really having a hard time trying to emboss or deboss a logo / typography on a shape other than a flat plane. For example trying to get a logo on a curved bottle. I already asked something similar ...
0
votes
1answer
32 views

Keep edge loops in triangle face?

Look at this picture, I have to fill the empty vertices. The shape the face I have to fill is triangle. I can't keep edge loops after adding triangle faces, is there a way to avoid using triangle in ...
0
votes
0answers
29 views

Why Doesn't the Origin Turn With the Geometry?

I'm rendering a ROBLOX character but even when I use Ctrl + Shift + Alt + C and select Origin to Geometry, when I attempt to rotate, the origin doesn't turn with the geometry. You can see the origin ...
0
votes
1answer
24 views

Creating a polygon plane with different sections / components

I'm trying to build a polygon plane exactely as in this video at 5:28, but in Blender, not Maya. I haven't found any convinient way to do that. I select the edges and extrude it, but I don't think ...
0
votes
2answers
37 views

How to prevent Subdivision Surface from changing the size of a loop

I modelled this hole but when I turn SS on, it becomes too small. Adding geometry around it isnt an option, since I want everything to be as smooth as possible. Scaling it up doesnt work, because this ...
0
votes
0answers
22 views

Draw perpendicular extrudes by left button mouse clicking?

Blender has this cool feature where you can select an edge and left click anywhere on the grid to produce quick extrudes. However, the extrudes can't snap to a perpendicular ( 90° corners) shape. Is ...
1
vote
1answer
30 views

Finding neighboring mesh faces

I'm quite new to Blender and I'm trying to write my first Blender/Python script. I'm implementing an algorithm that is looking for the lowest (z-value) laying neighboring face for each mesh face. I ...
9
votes
3answers
1k views

Twisted Cylinder (Hyperboloid of one sheet)

I want to create a mesh like this: with a vertex on every edge-crossing so that every face is kite (nearly rhombus) shaped. The above image was created just by rotating the top of two cylinders in ...
0
votes
1answer
23 views

Can you turn a pose into the actual geometry of the mesh?

For example, I move the finger bones so it appears like a rested hand. Is it possible after that to make that pose the actual geometry of the mesh, so when I compile it and put it in game it doesn't ...
4
votes
1answer
128 views

Billions of loop cuts

Been modeling for 1.5 month now, and realized that my biggest struggle in every model are proximity loops cuts. Particularily in this model when I wanted to "cut-out" sound pickups (green) I had to ...
1
vote
1answer
31 views

How do you solve the issue with an object with subdivision and multiple materials on it?

I was making a charger and I have given it some subdivision as usual. Now one side of the charger has a bit different texture (less glossier to be specific) so I tried that in blender, but that ...
1
vote
1answer
36 views

Particles higher than geometry

i am having this issue, some particles are getting buried in the geometry and you can see only the tip of the object, is there a way to cast the particles a little bit higher than the geometry volume?
1
vote
2answers
33 views

How can I uniformly modify a pipe with coding?

I have a plain pipe with a center-line. I need to gradually decrease its diameter towards the end (to create a taper). I've been told that I should use some codes to scale the bones automatically. I ...
0
votes
0answers
12 views

How to Reduce geometry on multiple identical objects? [duplicate]

I have created a single sandbag, given it a texture and bones, copied it many times, stacked the sandbags, moved some bones to have some sand bags hang over, and given some of them a different color. ...
0
votes
2answers
36 views

How should you go around with geometry for Unity?

I'm confused. Can someone tell me which way is better (1 or 2)? 1. 2. 2nd is after using a limited disolve
3
votes
1answer
124 views

How to create good topology without changing the flow

Guys how do i make that top extrusion sharp without changing the flow of the lower part? I want the green area to be sharp but without those creases below.
1
vote
1answer
55 views

How to “Merge” a Mesh

So I have a mesh I downloaded, but it intersects itself. I would like it to be one large single shell instead of having various intersection areas. Like the edges would go through faces. The model isn'...
2
votes
0answers
175 views

Separate mesh into separate batches with python

I am working on an export / import addon for a custom model file format which stores its geometry in the so-called "render batches", the structures aimed at optimizing geometry for effecient live ...
0
votes
1answer
46 views

Trying to make a figure eight

So I was given a diagram for a lopsided figure eight. The figure eight can be made with two arcs and two tangent lines. I know the angle I'd need to cut out of a circle to make the arcs, and I could ...
1
vote
1answer
107 views

Bind and apply SURFACE_DEFORM modifier without bpy.ops?

Is there a way to bind a surface deform mod without running bpy.ops.object.surfacedeform_bind(modifier="Surface Deform") and is there way to apply it without ...
2
votes
3answers
218 views

Can we smooth selected faces to make curved surface more precise?

Is there a way to smooth selected faces to make curved surface more precise? This kind of mathematical accuracy is of course easier achieved by using nurbs oriented workflow, but it could be handy to ...
9
votes
1answer
762 views

How to connect a circle to a grid with even topology?

I'm trying to connect the pieces shown below together seamlessly, but I can't figure out the correct way to do it. I have tried a bit of everything, but nothing seems to give me the result I'm ...
0
votes
1answer
20 views

I am skinning a skewed quad with math

I have a quad v1, v2, v3, v4 I have a array (a subdivided patch of vertex) that is sorted so that [0][0] = v1 [0][8] = v2 [8][8] = v3 [0][8] = v4 I need to average the vectors to fill in the ...
1
vote
2answers
79 views

Is a triangle with 4 verts considered a quad?

I was curious to know whether or not this shape is considered a quad or not? Considering it is in the shape of a triangle but contains 4 verts, I wasn't sure whether it would be considered a tris or ...
2
votes
0answers
14 views

split edge at multiple points without distorting uv or other data

Here's a bmesh edge: +-----------------------------+ Say I want to cut it at multiple points, in the middle and 3/4 from the end like so: ...
0
votes
0answers
23 views

subdivision problem

I started learning blender a month ago, I'm trying to make a jukebox but I got some problems This is what I've done so far: When I add subdivion: Adding holding loops(?) helps but creates artifacts ...
5
votes
1answer
82 views

Freestyle Uniform Displacement

I been looking online for this so idk if this is a duplicate or not, I never seen this asked before. But for the curvy lines I went with the Sinus Displacement modifier in the geometry tab and its ...
0
votes
0answers
66 views

Generate voronoi cell like geometry

I am trying to generate voronoi cell like subdevision geometry on a plane. I tried random subdivisions and then removing doubles with high range but the result was far from what i needed. Any Ideas? ...
1
vote
2answers
47 views

Attach geometry to other geometry without duplicating it

I have this mesh: I'd like to copy the highlighted vertex group to the other end of the mesh, here: I've duplicated (shift-D) the selected vertices and moved them to the other side by grabbing, ...
0
votes
1answer
55 views

Add walls to 2D floor plan

I have the blueprint of a room in my flat as a planar 2D vertex, example: I want to add walls to it that are going into the Z direction. I have tried several modifiers and searched with Google, but i ...
1
vote
0answers
29 views

Export the face angles corresponding to vertices in a .csv file

How do I export all the face angles in a .csv file? Also, how do I map them corresponding to a vertex (for irregular polyhedral) ...
3
votes
1answer
255 views

How to solve the pinching in this concave geometry?

I have been trying to solve this type of geometry (a smooth "rounded" mesh with a concave edge at the top - as shown in the image). Any suggestions on resolving this, without getting the bulge at the ...
0
votes
1answer
38 views

Is it ok to remove NGons with triangulation in order to import a model in a game engine?

Sometimes the model ends up having a very messy geometry, is it a problem in games engines such as Unity?
0
votes
1answer
60 views

Making a material fade off(progressive transparency from front to back) based on the location of its geometry

I'd like to make this object half transparent, on one side and half atmosphere-looking in the front. Here is what I'd like to look like : Here is what I currently have : Also note that the ...
0
votes
1answer
188 views

Making regular polyhedra in Blender using Python

How can I make regular polyhedra in Blender such as tetrahedron, octahedron, dodecahedron and icosahedron so that their vertices lie on a sphere with radius r? I ...
0
votes
0answers
247 views

Best way to cleanup these messy edges?

I want to cleanup the highlighted vertices so they are rather sharp edges (which can then be beveled with a modifier if I wish). I've tried just selecting those vertices and doing remove doubles, ...
0
votes
0answers
78 views

How can I most efficiently subdivide a plane in a brick/tile-like pattern in order to generate geometric complexity for displacement mapping?

I have a (repeating) texture of a tiled sidewalk on a plane: I wish to use a displacement map on this plane for the deeper grooves between the tiles (I use a normal map for the "stoney" roughness). ...
1
vote
1answer
113 views

Why isn't limited dissolve working?

I was trying to google a way to merge overlapping meshes and everyone keeps saying Limited Dissolve, but it's not working for me for some reason :< ... I just want to make one n-gon without ...
2
votes
1answer
92 views

Can't remove unnecessary Geometry in Object

I want to make a 3D printed Marshall logo for my guitar amp, so i downloaded a Marshall font, extruded etc. and turned into a mesh. When I had it in the shape I needed and edited the pins, I wanted ...
1
vote
1answer
33 views

Square Geometry with uneven formed Mesh

Is there a standardization method that helps adding geometry in form of an even wireframe with same-sized squares on to a mesh like the ones in this pictures: The left geometry I had to add all ...
1
vote
0answers
141 views

Parametric primitives through python script

I'm trying to get into blender Scripting and am having a hard time finding examples or info on how one would create something like 3DS Max's Scripted Primitive; parametric objects that can be modified ...