Linked Questions

1 vote
0 answers
236 views

Blender 2.81 - Moving the origin of multiple selected objects to the median point of their base [duplicate]

There has been a similar question back in 2015 which was answered here: Set origin to bottom center of multiple objects However time has passed and those scripts no longer seem to be working. Here's ...
John 514's user avatar
0 votes
0 answers
26 views

in blender 2.8 API get face selection orientation and apply to another object, weird result [duplicate]

The cone has it's tip going up the Z axis. The goal is to have the cone hv it's Z axis up facing the same way the selected face's normal do. When i run the script, the orientation was a bit off. ...
adrian li's user avatar
  • 221
0 votes
0 answers
13 views

This mathutils related code stop working correctly in 2.8 [duplicate]

I ported an old 2.78 addon and was faced with a strange thing, the results in 2.78 and 2.93 are different. In 2.93 the result of the multiplication of matrices is always remaining the same as Matrix....
Ігор Спасівський's user avatar
30 votes
11 answers
89k views

How to place any object on the 'floor' of a scene?

I added a cylinder to my scene, rotated, resized, like this: I moved it up, because I want to make a model from this and I want it to stand on the ground: I zoomed in and learned, that this object ...
Zéiksz's user avatar
  • 1,979
16 votes
6 answers
15k views

How to find if a point is inside a mesh?

I need a python script that would help me determine if a point is inside a cylindrical mesh. I tried the .pointInside(point, selected_all=False) but it is deprecated in the newer versions of blender ...
NewToBlender's user avatar
14 votes
4 answers
34k views

Python move object on local axis

Read through a lot of questions but I didn't find a simple answer. How do I move an object on it's local axis using a vector? I don't want to use bpy.ops.transform.translate, because it's slow. ...
bortran's user avatar
  • 1,362
9 votes
2 answers
8k views

What are all values in bound_box?

I want to compute the total scene bounding box, so I can fit the scene in rendered image automatically. I have found bound_box. But why are there so many values <...
user877329's user avatar
  • 1,388
10 votes
1 answer
11k views

What is blender's camera projection matrix model?

I have question what is blender's camera projection model. I want to use blender to my computer vision experiment which need to compare real photo and CG. For real photo, I used camera matrix K for ...
Kichang Kim's user avatar
5 votes
3 answers
7k views

How to calculate the direction and up vector of a camera?

I'm trying to implement a prototype for a custom render engine using blender as content creation tool. One remaining questions is: How can we calculate the direction and up vector of the camera by its ...
p2or's user avatar
  • 16k
4 votes
4 answers
3k views

How to make a mobius strip?

I am very new to Blender, so perhaps my question is so elementary. My background is mathematics and so as my first experimentation I would like to make a Mobius Strip. In mathematics we start with a ...
user avatar
5 votes
2 answers
2k views

Unwrapping a circle into a line of segments?

How can I UV unwrap a circle (which is divided into segments) into a straight line of segments (triangles) - I can only get segments placed randomly. I.E. a row of triangular segments with the ...
user avatar
5 votes
2 answers
1k views

Perspective Flatten Geometry by Shrinkwrap

I have a 3D scene I need to flatten towards the cammera in order for the geometry to still appear 3D when viewed in a 2D game from the front. I've done this in Maya with the shrinkwrap method and the "...
JoelArt's user avatar
  • 185
2 votes
1 answer
1k views

TypeError: expected 'Depsgraph' type found 'Scene' instead

I have found an awsome script by @Leander to do exactly what im trying to acheive here: https://blender.stackexchange.com/a/109468/30363 which has two scripts, the first generates an object, the ...
CullodenSpectre's user avatar
3 votes
1 answer
2k views

Using python to manipulate vertices

I would like to perform the following things: for the selected object get all the vertices, treat the vertices as a vector, perform a Matrix x Vector multiplication do the same Matrix x Vector ...
user2485710's user avatar
1 vote
1 answer
557 views

VSE Python API : How can I add a new movie strip? [duplicate]

I want to use script for fast editing, but everytime I run the script it shows an error in VSE operation part. I have been searching for solution but there is none. Plz help me solve this problem. Thx!...
diji's user avatar
  • 13

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