All Questions
311
questions
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26
views
How to Export JSON from Blender with Split Normals using Geometry Nodes
I am trying to export a JSON file from Blender and need split normals as data on vertices. I have exported a custom attribute named "norm" using geometry nodes. However, I am struggling to ...
0
votes
0
answers
20
views
Ray_casting from curve origins doesn't hit any part of the mesh
The terminal prints none, which I guess means the raycast is not hitting anything. To replicate this output. Run the script and navigate to its sidebar in the viewport, select the two nerve curves and ...
- 143
0
votes
1
answer
39
views
Trouble debugging this script (loop through non-manifold verts on one mesh and find index of closest edge on a different mesh) - any tips
The eventual purpose of this script will be to try to stitch two halves of two different, sliced-open objects, together. This is to be done by individually moving each of the verts on the open non-...
- 19
3
votes
1
answer
80
views
How can I pass an object (like a bmesh) to an operator or should I not do that?
I have an operator that creates a certain mesh but I want to keep things modular so I separated each operation into its own operator. Like for example, I have an operator that removes vertices that ...
- 496
1
vote
0
answers
27
views
Why does a script that runs on a Blender primitive cube not run for an imported stl file of a cube?
I was trying to recreate batFINGER's answer to this question How to get data and edit it on UV map edges?
The code looks like this:
...
- 11
0
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answers
42
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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:
...
- 61
0
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answers
60
views
How can I access and modify a boolean attribute in edit mode?
Re Manually setting custom attributes per edge / vertex / etc
TLDR : In edit mode, the regular interface to access and edit attributes, ...
- 31.5k
4
votes
1
answer
110
views
How to get updated mesh locations after object collisions?
I am very new to blender. I have a scene like this,
The top plane is a cloth, the two cylinders and rectangle are collision objects. I click play on the timeline and get this after a few seconds,
I ...
0
votes
1
answer
105
views
How to get bmesh vertex colors in Blender 4.0?
There's several answers on how to get vertex colors here on StackExchange, but something seems to have changed in 4.0 because none of them work.
bmesh.loops.layers.color[0] returns index out of range
- 342
0
votes
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answers
14
views
Blender Bmesh set custom normal
I'm trying to adjust the normals of selected vertexes on a vector. The code runs without errors but does nothing.
Blender version 4.0.2
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0
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answers
29
views
How to update mesh data?
I want to resort the order of vertices of faces in Blender by python. It looks like the resort function works well. But I think the new data does not update to the mesh successfully. How to modify my ...
- 19
0
votes
1
answer
36
views
How to resort vertices' order of faces?
I would like to rearrange the order of vertices for each face, so that I can use the new order for the "FIXED" --- quad_method of the Triangulate Modifier. However, I am unsure whether it is ...
- 19
2
votes
1
answer
64
views
My python code for creating vertex groups and adding existing vertices to them is grouping wrong vertices and creating unwanted faces
I have a existing mesh of a human body and I have created vertex groups that contain groups of vertices that are associated with different parts on the left side of the body mesh. I want to use python ...
- 21
0
votes
0
answers
52
views
When looping the selection_history of a bemesh it Crashes With Error: HIPEW initialization failed: Error opening HIP dynamic library
I'm Making a tool for boundary weight paint pinning from selection with bmesh
Am i supposed to report this as a Bug ?
Edit:
the script works with no issues when using selection_history.active instead ...
user175989
2
votes
1
answer
26
views
How to specify length/direction with a BMesh operator
Using bmesh.ops.extrude_edge_only(bm, edges=[], use_normal_flip=False, use_select_history=False) (https://docs.blender.org/api/current/bmesh.ops.html#bmesh.ops....
- 121