Questions tagged [geometry]

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.

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19 views

I can't get decimate faces modifier to work [closed]

I read about decimate modifier in Blender documentation, so I knew to apply the modifier and decrease the ratio beneath 1.0. I tried it on 4xsubdivided mesh that I sculpted with dynotopo. Geometry ...
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39 views

Tetradecahedron / polyhedra in blender [duplicate]

How can I go about creating a Kelvin’s Tetrakaidecahedron Cell / tetrakaidecahedron. I'm willing to try it using Geometry nodes, Python, etc.. For more background on what it is. Tetrakaidecahedron (...
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1answer
58 views

Surface material properties on geometry level

I am very new to 3D surface/object design and rendering. My goal is to generate image data for testing computer vision algorithms. I want to simulate/render a painted surface which is not completely ...
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9 views

How to animate plane to sound falloff in animation nodes lastest version (Blender 2.93)?

For Blender 2.93, i tried to recreate the sound falloff on a plane from the Animation nodes 2.0 Documentation: So far i came up with this, but it does not work, i can not figure out why: Can someone ...
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4answers
2k views

How can I cut a UV sphere in half?

I need to use half of a sphere, but I cannot work out how to cut it in half. The best I can do is to remove 1/4 of the sphere. With a UV sphere, I size it to my requirements, set scale to ...
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42 views

How to fix Boolean Difference operator for meshes

I am designing a pair of dice on blender, and instead of the 6 pips on the "6" face, I am placing a 3d mesh of a logo that I have designed (a 3d peacock). I intersect the mesh of the logo ...
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2answers
38 views

Align a plane with a triangle of vertices

I have two objects, a cube-like object and a plane. I want to change the location/rotation of my plane so that it contains three vertices of the cube (see screenshot) Here is what I tried so far. I ...
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10 views

Automatic multiple bisect and separate export for 3D printing?

I've made a model that's too big for the built plate on my printer. I don't want to scale it down to fit as it's supposed to be big. Instead I'd like to cut it into pieces in Blender and glue it ...
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21 views

Procedurally generated Ground for 3D printed model bases

Is there a simple\easy way to procedural generate terrain in Blender that I use to create 100 slightly different 3D printed model bases for a WH40K army? Maybe something that makes rocks, or even just ...
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14 views

Blender geometry nodes stretching objects

i am new to blender and was trying to instance leaf (distribute leaves) but when I applied geometry nodes the leaf object gets stretched
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1answer
48 views

How to Shrinkwrap bunch of planes to a Sphere while maintaining the planes' dimensions?

This is what I'm trying to achieve: (notice that every plane object have the same dimension) And this is what I came with so far: The problem with this is that I need my planes to have four equal ...
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22 views

Geometry nodes UVMap Point distribute mask

Having some trouble with Point instances not appearing where expected using a UVMap as a mask. Using a simple Black,White image and UVMap to denote each Faces edge, so Points should only appear on ...
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1answer
20 views

How do i convert a blender texture into a 3D printable format?

How do I convert the Blender texturing techniques discussed in the link below into geometry so that I can print them on a 3D printer, and are there any limitations that I should be aware of? How to ...
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82 views

Geometry nodes: how can I get a different random float (or seed) for each object?

I've never used geometry nodes before, but in a project I'm working on I want to randomize the scale of about 200 copies of the same object so I figured I would try geometry nodes. In shader nodes you ...
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3answers
61 views

Torus pipe joint 3d printing

I made a specific model of an empty Torus with some cylinders sticking out. I am planning on 3d printing this but all kinds of problems arose with the joint between these 2 objects. I am planning on &...
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can anyone help with getting the Z Location data from the Music empty object into the radius value? /Sverchock

can anyone help with getting the Z Location data from the Music empty object into the radius value? Sverchok some help would be great!
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1answer
42 views

How do I Convert a Geometry Node input to Integer [duplicate]

I'm trying to add an input to my nodes, I need it to be an integer (Lime Green) I know it can be done because one of the download examples has them set up like that, but I can't find in the ...
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30 views

Need help with leaf positioning in Phyllotaxis Spiral

need help with rotation of leaves. my geometric nodes are what should i do to rotate the leaves?
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64 views

Flip Normals with Geometry Nodes

I have geometry being created through geometry nodes and I am am trying to flip the normals on this duplicate geometry. However, it appears that normals are a read only attribute in the geometry nodes....
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29 views

Weird black spots in rendered view, because of the size

Some weird black spots seem to appear in the render view of the mesh. They also appear in the final render. It is not duplicated vertices or normals. The materials don't have textures, they are simple ...
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0answers
44 views

Is there a way to create a dual mesh using geometry nodes?

I'm trying to create a dual mesh, as described by Alessandro Zomparelly, but procedurally using Geometry Nodes. I've only come this far, but now I need to dissolve the vertices of the original mesh, ...
2
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1answer
315 views

Geometry nodes vs particle system [closed]

I just want to know the benefits of using geometry nodes over particle system. Will I be able to generate more particles with less memory usage in geometry nodes? Why are geometry nodes such a big ...
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3answers
34 views

Facing the issue of setting the origin

I hope, you all guys are having a good day. I am trying to make a rounded wall for well and to set its origin to the middle of the rounded wall. I have tried all the things from setting the origin to ...
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0answers
50 views

How do I smooth or sculpt eye sculpt? (stylized character)

I've been working on my character following this video: (I'm stuck at 16:24) https://www.youtube.com/watch?v=qLWGfbkAb54&t=877s&ab_channel=Dikko When he does it the result is smooth (16:34) ...
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0answers
33 views

How to “trace”/“extrude”/“sweep” an animated 3d mesh?

Given an arbitrarily animated 3d mesh, is it possible to generate a new object such that this new object is the interpolated boolean sum of all frames of the animated target object? I can somewhat do ...
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0answers
38 views

Modeling irregularly shaped flower bed

I'm looking to model this flower bed which is a slightly atypical shape. I would quite like it to be as realistic as possible but only have a 4gb nvidia card so realise i might have to balance. I'm ...
2
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2answers
59 views

How to fill up every part of a geometry with a fluid?

While fiddling around getting the letter F filled up by a fluid for an animation, I don't get the fluid to reach the horizontal parts of the F. So far I´ve tried: Domain resolutions: 32-128 Effector ...
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3answers
49 views

Why is my BezierCurve shaded like a tube?

I've added a BezierCurve, and beveled it with a square curve. The ends are square as expected, but the shading makes it look like a pipe (beveled with a circle). I would expect a shading more like ...
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1answer
343 views

Unwrapping head geometry similar to Epic's MetaHuman Characters?

I'd like to maximize the texture space for a game head model I'm working on. When following the classic approach on how to unwrap a head (adding a straight line from the back and splitting those seam ...
5
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1answer
655 views

How do I model the express key of a wacom tablet?

I'm trying to recreate my wacom tablet in blender and I'm trying to model one of the express keys so that's flat against the actual tablet surface. It's basically just a button shape: Q: How do I ...
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0answers
16 views

Which Geometry Workflow should i follow Tris,quads or Ngons [duplicate]

I am pretty confuse that how i go with the gemoetry flow for my model, I personaly follow quads but the problem is that going with quads geometry adds a extra triangle and verts which is not optimal ...
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0answers
7 views

Object deformed after exporting?

I am working on a bumper for a truck but whenever I export it, reopen it or try it in the game it looks slightly distorted. I don't know if it has something to do with the .pim file extension (for SCS ...
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2answers
102 views

'Object does not have geometry data' error when running headless?

I have the following blender python script: ...
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1answer
42 views

Can't figure out how to fix non-manifold geometry in my game title

So I have this mesh and I'm having issues figuring out why these are non-manifold geometries, I've pulled them apart, dissolved them, merged them by distances, checked for any faces that shouldn't be ...
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0answers
27 views

How can I get these body segments to seem less 'round'

So you'll see here that the top shoulder piece, even the top arm piece, has these nice edges that create the impression of pieces of denim. But with the lower pieces you can see they sort of round ...
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1answer
34 views

Geometry nodes: change points rotation

I can't understand how to tell geo-nodes to face these bolts outwards. They are propagated on cylinder vertexes, which have no info about vectors (unlike faces).
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0answers
42 views

Controlling Particle rotation with Geometry Nodes

How can I make these particles ignore the normals of the base mesh and all align in the same direction using geometry nodes? I've included a screenshot of my current node setup. I've managed to align ...
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0answers
28 views

How do i triangulate Ngons properly?

i´ve this mesh that is triangulated with the triangulate modifier, but it looks really ugly. What should i do in this case? Should i add more verts to avoid small angles?
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1answer
37 views

Problem with Subdivision Surface after Bevel [duplicate]

Creating a very simple figure out of plane with Bevel modifier following by Subdivision Surface resulted in weird geometry. Steps how to reproduce the problem: I've used a mesh plane, squished z-axis ...
2
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1answer
107 views

Add vertices at the intersection of edges

This question was asked many times before, but the most suggested solution "Use Auto Merge" didn't seem to do the trick for me. I have a grid of overlapping edges as in the attached picture ...
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1answer
53 views

Can I find Geometry Nodes in Blender 2.91?

I am new to geometry nodes and don't know whether they're in Blender 2.91 or not. If not, can I add them into 2.91 somehow?
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1answer
18 views

Shading issue on the Mesh

i am facing the issue of shading in some faces in my mesh kinda sort of lines.I have tried the autosmoth option but still the problem presit.The rest of the mesh is quite smooth but in these faces ...
1
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1answer
47 views

How to make Normals on seemingly flat surface smooth

So I'm having this problem where from certain angles this geometry is showing creases where there shouldn't be. Here's the things I've tried: selecting all the geometry that should be level and ...
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0answers
26 views

Looking for a “Convex hull” like algorithm, 2D at a time, for modeling clothes

I am trying to put realistic clothes on characters created with MB lab, and I have decided that if I could have a version of the convex hull algorithm that worked on two dimensions at a time instead ...
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2answers
53 views

How to animate a colour change along a section of a cylinder?

I want to animate a section of a cylinder that changes colour and follows the path of the cylinder. Below, I've quickly illustrated what I'd like. I want the green section to move left-to-right and ...
1
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1answer
79 views

Displace modifier RGB to XYZ Direction, how to invert on the x axis only

I have two high poly objects, both with a displace mod and their coordinates set to global, their direction set to 'RGB to XYZ', the strength set to 1 and the midlevel set to 0 but they both use a ...
6
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2answers
557 views

How do you create a triangle pattern in a plane?

I want to create this picture, except going on for the entire plane, and just the geometry, not with multiple shapes. Is there a way to do this? (not with the going over lines)
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1answer
28 views

Elegant way to adjust this angle (which has another object which must stay parallel to it)

Hi, So I decided i want a steeper angle on this hollow wedge. I want to move the green vertices to where the red marks are. but the object marked purple is embedded in the face, and if I just move the ...
2
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0answers
41 views

Creating rough mesh colliders for objects in Unity

Hello fellow blender users, I'm working on a big scene in a science project, a city with over 200 houses, streets, walls, and all that good stuff that's appearing in a city scene. The whole scene gets ...
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1answer
80 views

More time is spent on render preparation than on the actual rendering. What can I do? [closed]

I'm new to blender and I'm stuck on this giant unsolvable problem that no one seems to have any solution for. I've modelled a quite complex scene in Blender: roads, bridges vehicles, buildings, trees ...

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