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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How I get points instance in blender 4,0 [closed]

I need the answer to learning . Because iam learn geometry nodes currently
Aditya Raja's user avatar
2 votes
1 answer
43 views

Create concentric scaled rings with individual noise translation to each instance

I am attempting to create the following outcome using a generated Curve Circle in geo nodes. What I want to do: Duplicate the Curve Circle a few times. Then scale them down concentrically Be able to ...
Meestar P's user avatar
2 votes
1 answer
101 views

Distribute points on top of instances doesn't seem to work

I'm trying to replicate this Houdini tutorial in Blender for practice purposes. here is the link to the Houdini tutorial https://youtu.be/zrmFLvwyZwY?feature=shared Around 50 second mark. I can't seem ...
Chien's user avatar
  • 23
2 votes
1 answer
29 views

Select the point of a curve closer to a vector and move it

I have these 3 curve lines: Generated by this simple node setup: Now I need to select only the vertex of the curves which is closer to a vector with the values of (5, 0, 3), so in this scenario the ...
user2959923's user avatar
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1 answer
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Random Scale of UV Spheres radius using "Instances on points" Origins are off!

I have a a whole bunch of spheres generated on a curve, I want to randomise the radius of the spheres as well as their positions in order to get a galaxy effect. The issue I am running into is that ...
Meestar P's user avatar
-2 votes
0 answers
19 views

How do you make the geometry node emitter invisible in blender? [closed]

I am working on a project right now where I am using a duplicate of the roof to spread leaf geometry, but I want to make the emitter not visible and not rendered. I've used a transparent BDSF material ...
Walker Hornstrom's user avatar
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1 answer
34 views

Get geometry position

maybe this is a noob question, but I just cannot find an answer anywhere. All I want to do is get the position of a geometry, because I need to generate a curve line with the starting point ...
user2959923's user avatar
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35 views

Python exercise to learn - spiral circular shape

I’m trying to use bmesh extrusion and Matrix to do some spiral shape like this : I would like to start from a circle (like it is described on the picture) Here where I’m stuck: ...
Certes's user avatar
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how can i make tiling with a dent in the gap?

I'm recreating colleage building in blender and i'm having trouble making material for metalic tiled wall like this. (sorry for bad resolution) I tried using brick texture node and displacement to ...
김강산's user avatar
0 votes
1 answer
38 views

Array along curve modifier in geometry nodes, but with mesh input

Hi I want to array an object along a curve with geometry nodes, but I need to use a mesh as an input because I need to apply the modifier, which cannot be done with a curve as an input. I tried to ...
Václav Musil's user avatar
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41 views

Define custom Spline Index OR Rebuild Sample Curve Node

Is there a way to set a splines index or otherwise store an attribute on a spline that can be read as 'curve index' in the 'Sample Curve Node'? I'm asking because i have a setup where meshlines are ...
Rolando's user avatar
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1 answer
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How to randomly rotate all the beads in a necklace along the Z axis with geometric nodes

How to randomly rotate all the beads in a necklace along the Z axis with Geometry Nodes.
Xana's user avatar
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0 answers
18 views

Importing a GeoJSON file

I have this GeoJSON file which I'd like to import into Blender 4.1.0 (Ubuntu 22.04.4): ...
swiss_knight's user avatar
1 vote
1 answer
44 views

Creating a Rhombohedron

I'm working on a hobby creating mineral crystals in Blender 4.0 that have specific face angles. I'm stuck on trying to create a Rhombohedral geometry for a calcite crystal. The Rhombohedron is ...
Keith Fowlow's user avatar
1 vote
3 answers
76 views

Taper a geonodes curve to center of curve & adjustable via group input?

I've created and resampled a curve and want to smoothly taper it to the center. I'm able to do exactly what I need using the spline parameter node and a float curve, but the problem is that I'm unable ...
Zero Dean's user avatar
  • 159
2 votes
1 answer
80 views

Generate Rig from vertecies

I am looking for a way to automate this setup: Basically, i want to generate a armature with bones for every vertex of a selected mesh. Ideally, the bones should point in the vertex's normal ...
Julez Chilluminati's user avatar
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2 answers
41 views

Create volume cube around object with equal padding from bounding box center?

I want to create a volume cube around an object with equal padding from the center of the bounding box of the object. Ideally, this would be a single value input (ie. "padding amount"). The ...
Zero Dean's user avatar
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1 answer
40 views

Blender 4.0 geo nodes: Bezier curve with 5 vertices subdivide only top 2 and bottom 2

how can i make in blender geo nodes the bezier curve only subdivide inbetween the top 2 vertices and the bottom ones, while the one vertice in the middle is unsubdivided? Appreciate any reply
Murat G's user avatar
2 votes
1 answer
23 views

How to Create Pointy Oval Shape?

I have a main character which has this pointy oval shaped Right now I am having a lot of trouble to create the eye and body shape I just can't figure any way to do it and after searching. I came here ...
French Guy's user avatar
0 votes
1 answer
41 views

Kinetic Rigging Question (Theo Jansen Style)

I'm trying to make kinetic mechanism, like link below. https://www.youtube.com/watch?si=Hn93VdvYxKf5NsK_&v=NM4q-f68TlY&feature=youtu.be Added armatures and IK constraints to the points that ...
Kiryung Nam's user avatar
5 votes
2 answers
163 views

Procedural extrusion from an object

I am trying to find a way to create procedural extrusions of an object. Assume our base object is a manifold object with a curved surface, such as a sphere (Fig 1). I would like to use a Curve object ...
Niels's user avatar
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0 answers
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What is the correct way to make the turbine blade geometry? What tools to use?

What's the best way to make a blade? I tried to come up with something with curves, but it turned out very poorly. Src: https://thearchimedes.com/images/pdf/AWM%20brochure%20Respect%202023%20HQ%...
Илья Пархоменко's user avatar
1 vote
2 answers
47 views

Unfolding a 3d object into a 2d plane

I got the following 3d model of an exhaust pipe: The model consists of multiple cylinders and flat cones. I want to print out the cutting shape of those and therefore need to "unfold" the ...
Heinz Mütze's user avatar
3 votes
1 answer
43 views

My mesh would completely break when i move the bones

I'm quite new to blender as i made this little electronic hand on my own with only 2 days of experience. but the problem is that when I went to rig it to make it animate it just wouldn't work. the ...
Tock_Jacks's user avatar
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0 answers
115 views

Creating a cut on an object with circular outer edges

Please refer to the images. I extruded these edges along normals, then made it so that the new faces intersected with parts of the same object. I would like to create a cut where the intersection is ...
HullBreaker's user avatar
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1 answer
40 views

Is there a better way to merge these vertices other than manually doing one pair at a time?

Update: Sorry there was a mistake I didn’t notice that the planes on both sides weren’t at the same position on the Y axis (been in ortho view the entire time). I have since moved them to the same ...
HullBreaker's user avatar
0 votes
0 answers
50 views

Multiple simulation zone bug in geometry nodes?

Simple case. I've a scene with a complex geometry nodes on a mesh but i simplified it for the post. Goal I need to use 2 simulation zones in my geometry node modifier but... Problem ...the last ...
Andrea Ciani's user avatar
0 votes
1 answer
48 views

How can I make this toothed gear wheel? [duplicate]

This is part of something I'm doing, a mechanical part resembling a gear wheel with a great many teeth. All I can think of is to make one tooth, then use the Array Modifier to do a radial symmetry of ...
HullBreaker's user avatar
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0 answers
15 views

Extruding two objects the exact same amount but the results are different [duplicate]

Please see the images. I extruded two planes each exactly 1 metre along local Z (mannually typed in -1 in the panel), but the resulting extrusion amounts are very different Both planes before ...
HullBreaker's user avatar
0 votes
1 answer
24 views

Can I subdivide a mesh nonuniformly until a maximum face area is achieved?

I want a sphere which I can model a planet on. I want any given area to have roughly the same resolution. A UV sphere concentrates geometry at the poles. My first solution was clunky and problematic. ...
spraff's user avatar
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1 vote
1 answer
17 views

How to select geometry and remove it with slope mask?

Program: Blender 2.9.2-4.0 Geometry and mask created in Gaea I'm facing a problem, I don't understand how I can select vertices for further deletion, ONLY those in the white area? My goal, by any ...
ui3es's user avatar
  • 13
2 votes
2 answers
88 views

geo node: Specify index freely

I don't know how to specify the index like in this image. When using mesh island node, an unintended index is assigned. I ultimately want to control this tooth mesh along a curve using an instance on ...
vector man's user avatar
5 votes
2 answers
454 views

How to model a spherical snowflake?

Hello everyone, I've been trying to model this shape in blender, I tried bending planes, projecting curves on the surfaces but still couldn't get the perfect result. Is it possible to project this ...
Ecstasy's user avatar
  • 51
1 vote
1 answer
36 views

How to use float curve node to flatten geometry from two sides rather than all four sides in geometry nodes

I am trying to show this vein being compressed from only two sides so it "pancakes" and flattens out rather than compresses circularly from all sides. As of right now I have two float curve ...
Stengy02's user avatar
2 votes
1 answer
38 views

How to read the value through Python from Geometry Nodes Output Node

When the socket is not connected to other nodes, the script can be read into its variable. Everything is fine. ...
Владимир Бобровский's user avatar
1 vote
1 answer
50 views

How can I insert a custom implicit equation in blender, draw its associated 2D curve and then create a revolution solid out of it?

I want to write down a parametric equation for a curve and then create a solid out of it. I would like to know the procedure (the pipeline/workflow) on how to do this. Let me explain. I have an ...
M.N.Raia's user avatar
  • 111
1 vote
1 answer
43 views

Trying to simulate keyframing with geometry nodes to produce a repeating animation

I am working on a project to show a vein being compressed, pinching off blood flow, and then decompressing. I am using Ryo Mizuta's procedural blood vessel project (https://youtu.be/whh1QblAGEo?si=...
Stengy02's user avatar
4 votes
1 answer
139 views

How to select a boundary edge and generate an outline

I'm looking for two features in Geometry Node: Is there a way to select edges and convert them into a curve/solid outline Is there a way to specifically select edges that are on the border, as in ...
madscribbles's user avatar
1 vote
2 answers
65 views

How to change the size of points in the geometry nodes?

I am new to blender. Currently, I am trying to make a donut and I am stuck with making the sprinkles. My points in geometry nodes are too big, how do I change the size of them?
nagidkaa's user avatar
0 votes
1 answer
47 views

Carve geometry according to alpha

The thing I want is to carve out pieces of a mesh based on an alpha texture. It's not a noise texture, it's a specific alpha texture I have that is UV mapped, and I want to delete the parts of the ...
Red's user avatar
  • 103
1 vote
1 answer
28 views

Adding windows to faces of complex geometry

Is there a faster and cleaner way to add windows to a complex mesh with angles? I'm trying to re-create a modern building Whilst I'm able to recreate the geometry I'm struggling to find a way to '...
aceofspades1's user avatar
0 votes
1 answer
47 views

How do I make these radially symmetrical edges longer?

Please refer to the screenshot. It's the shape of a gearwheel in front ortho, currently just a circle to be extruded later. I would like for these to be as wide as indicated in the concept image in ...
HullBreaker's user avatar
3 votes
1 answer
107 views

Geo Nodes: Delete Animated Instances Permanently

I'm trying to make pacman eat these balls permanently. I set up a simulation zone as you can see below to try to make the delete geometry permanent. That works but gives me two new issues: The ...
Black Fox's user avatar
  • 184
1 vote
1 answer
108 views

Controlling thickness of node-generated concentric rings

These 36-segment concentric rings are formed from node-generated, circular edge loops. The planes between them aren't — I've bridged the edge loops myself — but the edge loops are procedural. Below ...
KEY_ABRADE's user avatar
2 votes
2 answers
154 views

Rotation of instances aligned to curve tangent and normals of another object

I hope your're not mad about another dump rotation alignment question. I'm trying hard to wrap my head around this topic, but still fail at certain points. And other answered question here i can't ...
Rolando's user avatar
  • 57
0 votes
0 answers
70 views

My donut sprinkles transformed in an extremely unusual way, possibly due to geometry nodes problem, can someone help?

I had reached part 7 of Blender Guru's latest Donut Tutorial series and I reached a part where... I don't know how to describe this, but here's what happened after some tweaking in the geometry nodes: ...
MELT UP's user avatar
  • 55
0 votes
1 answer
27 views

Why does the Transform Geometry modifier depend on the object dimensions?

This is Blender 4.0.2. I created a cube and changed its (x, y, z) sizes. Now it seems that the Transform Geometry modifier scales its effect according to the dimensions. I would rather see ...
Markus W.'s user avatar
  • 179
0 votes
1 answer
34 views

(Bug?Issue) Objects that have changed angle and position, on their own no going back possible

So as you can see my object changed position, its not about keyframes in animation, its not about me having changed them, i was working on an object and on a click all these objects moved away, chair, ...
Sven Hohenberger's user avatar
1 vote
1 answer
25 views

Filling in holes on a model with wall thickness/making a hollow model solid

I have this model I purchased online. Originally, it's supposed to be a hollow piggy bank, but I just want it to be one solid model for 3D printing. It has holes in it with wall thickness like this: ...
Alexander Chistyakov's user avatar
5 votes
2 answers
154 views

How to create a camera-space 2D bounding box in Geometry Nodes?

I've been trying to create a 2D bounding box. On this website I've found multiple threads about how to do this with code, but not how to do this with Geometry Nodes. Here's an example of what I ...
Brockoli Bruce's user avatar

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