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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
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1answer
31 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
25 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
28 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
28 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 ...
-1
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0answers
28 views

How can i unwarp geometry to make it flat?

In Blender , is it possible to unwarp geometry ? not unwarp the UV, but unwarp the real geometry ? for example i want to unwarp a sphere and to get the output geometry to shape just like when i do uv ...
0
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0answers
27 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
20 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
32 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
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0answers
19 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
24 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
17 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
119 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
30 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
33 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
30 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
11 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
34 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
1
vote
1answer
80 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
47 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
145 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
33 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
87 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
99 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
706 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
19 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
65 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
13 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
20 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
77 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
44 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
45 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
49 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
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0answers
26 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
158 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
33 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
44 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
146 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
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0answers
155 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
68 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
79 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
77 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
112 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 ...
0
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0answers
37 views

Triangle wall problem

Hey. So after following 4 different tutorials (https://raflmao.artstation.com/) and month of inactivity in Blender. I want to make my own project. I wanna make my room in 3D and I'm having a problem ...
3
votes
1answer
60 views

Geometry between Cylinders and Cuboids

I'm currently getting started with Blender and Substance. Since i wanted to test my materials on a model, i tried to create a grenade as it has both square and circular shapes. However, exactly this ...
0
votes
0answers
36 views

Tool similar to looping tool in 3d max [duplicate]

is there a tool in blender that works similiar to how the looping tool in 3ds max works in which it will calculate my loop to auto clean my geometry. or make a curve i've been using loop tool addon ...
0
votes
0answers
27 views

Blender has automatically applied the 'bump map' setting to the texture

For the vast majority of the time that I apply materials and textures, the process proceeds as planned but once or twice Blender has applied the 'bump map' setting to the texture where it interprets ...
3
votes
1answer
50 views

How to get the final volume & area of all selected objects (ignoring some faces)?

The 3D print toolbox currently only outputs the volume/area of all faces. How can I get the volume of selected mesh objects, ignoring certain faces? Asking on behalf of a user who mailed me.
2
votes
1answer
172 views

Hollow / Solidify a Mesh (Without Intersecting Faces)

The solidify modifier creates new geometry normal to the surface of a base mesh. This works well in many applications but creates intersecting faces for many geometries beyond a critical thickness. ...