Questions tagged [add-on]

An add-on is a python script or plugin created to expand Blender's functionality. There are many add-ons in the official builds of Blender, and with every new version comes new add-ons.

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Help please. ERROR Traceback (most recent call last) when active a addons

When I try to activate the following addons I get this error. Try to uninstall and reinstall the program. Also delete the blender foundation folder in appdata. None of that worked. My operating system ...
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Batch exporting scene collections or selected objects using glTF-Blender-IO

devs, I'm still new with python and blender scripting. I tried eding the obj exporter that I found. Can someone help me me with this. Since I'm exporting tons of object groups, I need each of scene ...
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How do I get the selected object during bpy.app.handlers.frame_change_pre callback while rendering?

I would like to import an OBJ file, find its mesh object, and get its name. I'd like to do this during the bpy.app.handlers.frame_change_pre callback function. I have the following code, which is not ...
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Issue with materials library VX addon: materials only working on top of object but not on sides

I am trying to use the "Ant Snowy" material from the addon "material Library VX".When used on the top of an object it works fine, the problem occurs when it encounters an edge, the material after the ...
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Detect when auto keying is turned on/off via Python?

I want to make it VERY obvious when auto keying is turned on in Blender. I want to write an add-on where, if auto keying is turned on, Blender's theme turns to Blender Light. Otherwise, Blender's ...
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How do I get network render on RPi 4?

I'm looking to create a render farm at my house from Raspberry Pi 4s, but I'm checking on my 3 and there isn't a network render addon in the menu. Is it possible to bring the feature back somehow or ...
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i am having trouble with activating the cube surfer addon

i am using blender 2.82 and have installed the addon from https://github.com/porkminer/CubeSurfer i than followed the normal way to install addons to install addons in blender but when i try activate ...
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Blender 2.82 Properties cannot be added and used within an operator?

I was trying to go along with a 2.80 scripting tutorial.. But property names cannot be defined. Invoke works as intended but no idea why this is failing. ...
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Archipack Tools Location

I created a simple wall in blender using Archipack but any time I change it, height etc, it deletes all my windows, A little reading indicates that I must make it "safe to edit". "In order to ...
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Can I get the orientation matrix in real time?

I need to calculate the normal orientation matrix for the tool. There is a way to get a custom orientation matrix ...
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Blender 2.82 - addon missing? - Export to After Effects JSX

looking for info about this addon: Export to After Effects JSX A tutorial 2.8 shows the addon in "Testing" don't find it in 2.82
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Why can't I enable JewelCraft addon?

Tried reinstalling Blender, the add on itself, don't know what to do next.
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Addon: Render burst - doesn't work as expected [closed]

It should do a Render batch for selected cameras, but it just keeps repeating the same camera and I can't cancel it. I have to kill it with task manager. Video:
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Blender UI panel custom property doesn't show up

I am currently learning how to create addons in Blender and now I got a problem. I try to create an addon which creates x times a math node. But when I try to create an IntProperty, it doesn't show ...
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How do I get the normal vector of a selected vertex?(BMESH)

I'm trying to Orient my gizmo according to the normals, but I can't do it exactly. Sometimes perfect, sometimes not. Can you tell me what's wrong? ...
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Import Lightwave Object LWO

I'm new in Blender, but close to 20 years of experience with Lightwave. I had read that you can enable LWO import in Edit > Preferences > Add-ons, but there's no Lightwave import option there. I ...
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Add on - rhino import not working

I am trying to install the jester king/import_3dm add-on. However I get this error. Anyone who might be able to help, thank you? Best Søren I add the zipped file via preferences/addon and Install ...
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71 views

BlenderGis get SRTM

I'm running Blender 2.80 and I installed the latest BlenderGis download. I am following this video tutorial to download data and it works MOSTLY. I can download a basic map, download OSM building ...
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Equivalent of mesh.tessfaces.add, foreach_set in 2.8

I have the following code in an addon: ...
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Everything Nodes?

A few years ago in blender community exploded an information that blender will make some game changing feature, they called Everything Nodes, but to this day, we have nothing more than one short video ...
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Openpose addon for Blender on Windows : how can python detect a video file?

Recently I have installed OpenCV and OpenPose for tracking the head of a 3d character created,rigged and animated in Blender 2.81 on Windows 10. When I use OpenCV I use this addon : https://github....
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Doubts about the addon for OpenPose

I've just installed OpenPose and pyOpenPose and the Blender addon for OpenPose on Windows 10,that you can find here : https://gitlab.com/sat-metalab/blender-addon-openpose On the webpage,they say : ...
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How to access Density/Flame grid via Python in 2.82 (Mantaflow)

Does anyone know how do I access the density/flame grid for the new Mantaflow fluid simulation engine in Blender 2.82? The old path still exists: ...
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39 views

I can't install any addons into Blender

I know this question has been asked before, but I can't really find a solution. This was happening years ago too I think, so... I'm pretty stuck. I've even re-installed my entire os since then, but I ...
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How to use cell fracture?

Seriously, how to use it? Because no matter what I do, I get an unusable mess. (Blender 2.81) Edit: I did manually now, someone may correct me but it seems not working with spherical objects... (I ...
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Auto Mirror add-on error 2.8a

I couldn't find any fix anywhere for this error: ...
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1answer
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Text Fx addon doesn't work

I just downloaded the Text Fx addon because I wanted to make a digital speedometer in an animation. I downloaded the addon as instructed and selected install inside Blender preferences. It had a ...
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When building/compiling flip fluids, I just get a bunch of error s and a weird, partial build

Like the title states, when building flip fluid I get a partial build that can be installed as an add on into blender, but when I try to bake a sim it tells me that it cant find "libblpyfluid.dll" and ...
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Blender Error Message

When I install some (but not all) addons, I get an error message similar to: What is the reason and how do I correct this?
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How do I install Mantaflow into Blender 2.8.1a?

I'm new to using Blender. How do I install Mantaflow into Blender 2.8.1a? The YouTube videos I was watching say you need to download the Mantaflow experimental branch. That branch is no longer shown ...
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Blender 2.8 bpy.utils.unregister_class Not Working [duplicate]

I'm using Blender 2.8; the bpy.utils.unregister_class function throws the same error (bpy.utils.register_class works fine). For example, the ui_panel_simple.py template: ...
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26 views

blender 2.81 version add-ons missing? [duplicate]

I am just wondering if there is any information on what will be available for later versions of blender, as 2.81 no longer has rock generator as standard which is very annoying. Because many things ...
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How can I get a list shows which add-ons are enabled by user?

I want to know which add-ons in Blender 2.79 are enabled by me.
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How to import and use C3D data in 2.8x?

I would like to apply a mocap animation onto my armature but I don't know what to import C3D files properly. Almost all of the search results yield a link to this post and my Problem is that I can not ...
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Unable to view double bonds from PDB file

Firstly, let me say that I am an organic chemistry graduate student and have very minimal experience with Blender itself. I am trying to use the atomic blender add on to make the molecules I have made ...
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Node Wrangler gives error in blender 2.81

I'm new to this forum and blender as well. I started learning on v2.79 but had to discontinue for a couple of months.I started again yesterday with the new v2.81 and I ran into a problem while using ...
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Installing TwodPhysics addon on Blender - ERROR

Recently bought this addon on blender market but it´s pretty much the only one I've bought that I haven't been able to properly install or user, I Always get an error msg while trying to install the ...
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How would I go about creating a blender lite version (if possible)

So I understand this is a pretty strange question. Basically, I want to create a very lite version of Blender. All I want is to import STL files to view them and maybe rotate and move them around. I ...
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20 views

Molecular Script Add-on: Set Active UV

Does anyone know how to use "Set Active UV" in Molecular Script Add-on? I would like to bake a picture into particles in the final frame and this supposedly was designed just for that. Searched all ...
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61 views

ModuleNotFoundError: No module named “pyopenpose” when I try to install the addon “openpose”

I am trying to install the addon named "OpenPose" written by "Marie Eve Dumas" & "Emmanuel Durand" that you can find here : https://gitlab.com/sat-metalab/blender-addon-openpose on blender 2.81 ...
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How to bundle undo steps in Modal operator

Background info: I am creating an addon with an 'Editor' mode. The mode is initiated by an Operator, and while the Modal is running, the user can add/remove/edit objects in the scene. The modal ends ...
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Forcing two cylinders to touch when modeling

As the title said: how do you force two cylinders to always touch while modeling. What I want to achieve is that I can move or rotate one of the cylinders during modeling, but with a constraint so ...
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Eyeslashes blinking addon for blender 2.8

someone knows if someone created an addon for blender 2.8 for making the random movement (open and close) of the eyelashes ? I’m talking about an addon that can be used with a lot of armatures that ...
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1answer
22 views

Eevee Preview Render from Python

As part of my Bachelor thesis I'm looking to render a live preview of the model on the RealFiction Dreamoc HD3, a holographic display with three viewing directions. Using ...
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boolproperty doesn't seem to work

I have this code, but the save_function doesn't seem to assign a True value. The rest of the script works without the bool, but I want to create a toggle to enable or disable part of this function. ...
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1answer
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Blender 2.81 missing pie menu

Yesterday I switched to 2.81 stable and now all Pie menus appear as usual except when I press Tab, then it only switches from edit to object mode and back, as if there is no pie menu add on installed. ...
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Modal not running when painting

I'm working on a feature which needs to be a modal that runs when you're painting a stroke. It then needs to repeat that stroke again. For this I'm trying to store the coordinates of the mouse when ...
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1answer
33 views

How do you exit a modal by clicking on a button operator in a panel

Blender 2.8 Windows 10 x64 I have a start and stop button operator on my panel. The start button executes the modal as expected but I don't know how to get the stop button to exit the model via ...
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Problem with PBR combo add-on

I have a problem when I want to use extreme PBR combo addon, when I want to assign a material Iv got this error :
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Installed addon doesnt show up

i downloaded and installed an addon but when i check it in the preferences it doesn't show up in the panels. Can you help me with that please?

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