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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Can anyone update the B-Bone handle addon? [on hold]

There are several add-ons for 2.79 that automatically add B-Bone handles but nobody seems to be updating them to work with 2.8. Anyone interested in updating one of them like this? I'm no programmer ...
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Blender Cell Fracture results in cube

I'm trying to create a broken sphere to import into Unity for a project. I am using Cell Fracture to do this, but when I create a new UV Sphere and run cell facture on it, it gives me this instead of ...
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problems with def draw (not working in my script)

I'm pretty new scripting in blender and I can't figure what's wrong with my script, the goal is to change the active brush and display all the subbrushes linked to this one, the script switch to the ...
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Unable to install molecular addon in blender. cmolcore is undefined

I have tried to install the molecular addon on windows 10 and ubuntu 18.04 on blender 2.74 and 2.79 and rebuilding the 64 bit version of cmolcore (succesfully) through the scripts provided in the ...
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2.80, depsgraph, how to iterate over instances invisible in viewport

To my understanding, suggested method of iterating over instances in 2.80 looks like this ...
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17 views

Custom hotkeys in pie menu (with out numpad)

Someone tell me how to change hotkeys in the Pie menu itself? The idea is to work only with right hand, not to reach for us and not to take hand off the mouse. That is, reassign numbers or replace ...
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How to match orthographic camera to orthographic view (get information about current view)?

I'm trying to make a simple WYSIWYG viewer addon for 3D objects in blender and I want to match the output of the camera to the view in the window so it's easy to position the object for rendering. ...
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How to copy multiple shapekey drivers to another object at once?

For example https://i.imgur.com/NHzls5n.jpg I want to copy object1 shapekeyA's driver to obj2 shapekeyA,obj1 shapekeyB's driver to obj2 shapekeyB,obj1 shapekeyC's driver to obj2 shapekeyC at once. In ...
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Addon Duplicate files - which to remove?

I searched for a similar topic but I might just be looking in the wrong place. I have two addons added to 2.79b, still using it for many purposes, and have already upgraded to the latest 2.8 build, ...
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11 views

Extrusion with DXF line

Do I have keep on making new mesh for wall and everything once dxf is imported? Can I use dxf line for extrusion? Like we can do it in Rhino?
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1answer
15 views

How to access object instance from property instance? (in `update` callback)

I am trying to create an add-on to create parametric objects (Blender 2.8rc1) I have defined a custom PropertyGroup, i.e.: ...
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Python Addon Can't Locate Submodule Folder

I'm trying to build an addon that has multiple sub-modules located in the same folder as the __init__.py that pulls everything together. It's exactly the same set-...
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Preview image in node view using Python API

I am making a python addon for Blender 2.80 with a node tree format and I want to preview a loaded image in the node itself. I got this idea from the Compositor, the image attached shows the default ...
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Blender 2.8 addon dxf

I am an Architect, and trying to learn Blender for 3d Modelling. Recently I added addon for importing dxf file. Since I work on large project in mm. I set Blender unit to mm. but when I imported the ...
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How to scale projection textures using ProRender 1.8

I am experimenting with ProRender 1.8.253 with Blender 2.79b on MacOS 10.14.5 with a Radeon Pro 575X 4 GB GPU. I do the following steps: 1. Create new Blender default scene 2. Set ProRender as ...
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Why when I try to load add-on from github which have expansion .py , then it is loaded in TXT format and I can't add it to the blender

Why when I try to load add-on from github which have expansion .py , then it is loaded in TXT format and I can't add it to the blender I tried to put into folder scripts also
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Is there a way to organise the right hand sidebar in 2.8?

As all plugins/add-ons in Blender 2.8 are now added to the right hand sidebar, I find that mine is now becoming so full it's impossible to read what each add-on is. Is there a way to better organise ...
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Is it possible to use D-noise from a picture?

As far as I know we can use D-noise tool just after rendering. I wonder if we can use it loading an already rendered image instead.
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How to link animable parameters to the amplitude of an audio file? [duplicate]

I am looking for an addon that allows the user to link any animatable parameter to the dynamics/amplitude of an audio file. This would be helpful to make custom music visuals in 3d and 2d. thanks
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28 views

Any way to make the mirrored mesh more idiomatic?

If you turn on the edit cage for the mirrored side, then if you try to move the mirrored side vertices, they actually behave as if you were trying to move the non-mirrored side, i.e. (assuming you're ...
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OWN Extractor Checkbox Not Appearing in “Add-ons”

So I downloaded a 'owm extractor', titled "io_scene_owm-blender-2.79" and I have blender version 2.79, so everything is up to date. Under User Preferences > Add-Ons > Install Add-on from File - I ...
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1answer
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addon“simplify curves” don't work

Hi, maybe someone had it, please tell me. Enabled addon, but it is not
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26 views

how to move object to same location of another one [duplicate]

I have two of the same objects. Now i moved object 2 lets say...how can i move it back to the same location and size of object 1 ? is there any way to copy this from object one to object 2 ?
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Problem with the installation of AMD ProRender in Blender 2.8

Good day, I'm new in this community but I'm using Blender since two years. I have tried to install the AMD ProRender in Blender 2.8 because on Mac it is the only way to use an AMD card. When I active ...
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setup spinner value to control scene object?

I can't find a way to use en float value spinner to dynamically control scene object, like a cube rotation for example. I can do it only by refreshing with a button class but can't do a realtime ...
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19 views

LoopTools features

Sorry if this is a stupid question, but i'm just wondering what do these LoopTools options do. i only understand the Bridge. I don't know how to use the other features. Would someone mind to help ...
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2answers
56 views

how to make a field of shakiness

Is there a way to make a 3d space of shakiness( or any kind of effect), that if an object passed by it or stay in it can be affected and when the object goes away of it that effect ends? Thanks, guys ...
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Blender 2.97b add ons not showing in add on window

Blender 2.97b add ons not showing in add on window This has been going on for a while and I can't understand what happened. The Add on window is completely blank. I have uninstalled Blender several ...
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29 views

Addon not working

I got a new add-on and i installed it, i tried to put the add-on (unzipped) in the add-on folder and when i try to use the add-on in the 3d-view i get this message ...
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Add-on not appearing after installing from file

I have downloaded an add-on from github and I am unable to bring it into Blender. I am using the "Install add-on from file" and it seems to run fine, but nothing appears when I am done. I have checked ...
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2answers
36 views

Is there a way to hide the cycles shader node when using my own render plugin?

I'm working on my own renderer plugin for Blender 2.8. I have my own set of shader nodes. Is there a way to hide the cycles shader node when my renderer is selected as the rendering engine in Blender?...
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1answer
56 views

How do I get a clean slate after every run of my add-on?

So I have been working on an exporter as part of my Google Summer of Code project. As I am new to Blender add-on development, I was under the impression that my code would get a clean slate every time ...
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ANT landscape material bug

Trying to use ANT landscape. It work fine but after i change settings it turns black as it has some strange material settings. I can use landscape after i change the material, but it really hard to ...
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22 views

Why wont this addon retain user shortcut preferences?

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1answer
42 views

Bug in addon to Change header color dynamically

Bug in addon to change header color dynamically I made an add-on that changes the theme color of the header if the automatic keyframe feature is enabled. The color change function works fine. However,...
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Cell Fracture Errors

I'm trying to make a cup breaking and the cell fracture add on is making the mesh deformed and creating a lot of vertices. How do I fix this?
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How to create addon where I can use the mouse to manipulate the scene?

I'd like to write an add on for blender that will provide an interactive controller the user can use to interactively manipulate the selected mesh. I would like to display some virtual handles that ...
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2answers
59 views

Create a tree of properties?

My add-on acts upon a hierarchy of data (a tree). I am not sure how best to represent this hierarchy as properties to expose the data to the user. For simplicity, let us define an example: say that ...
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22 views

When i try to install an addon I got this error

Hi When i try to install an addon I got this error. Does anybody know how to fix it?
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11 views

How to add a 3D importer to the UI via Python

Just wondering whether it’s possible in Blender to code a file importer UI so that users can preview a set of 3D objects and add it to the 3D viewport? I guess something sort of like this from Daz ...
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Is there a way to internally restart blender, or equivalent to closing and opening manually - even if it's just a temporary save and quit and reload

.. the addons get broken and addon reload doesn't even work, tried a bunch of stuff, closing and opening blender does it.. Any ideas on how to restart blender would be great..
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Way to set directory (in addon preferences) and store it in stringproperty only on the first time 2.8

I'm trying to figure out a good way, easy to set a path for a folder containing my asset. I wish it could run in the context ...
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36 views

Problem with AutoRig Pro!

,,, Hi there! I get this problem, every time I try to connect my mesh to the autorig Pro. Anyone else met this problem? And Idea on how to fix it?
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1answer
148 views

MBLab 1.7.4 add on refuses to install in Blender 2.8 Beta?

I'm trying to install MBLab 1.7.4b in Blender 2.8 (64-bit, May 24th release.) I've tried using the standard install from file function, and it doesn't show up in the installed plugins list despite ...
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Is there an altitude number/indicator type addon?

I want to make an animation where an HUD type overlay as text will indicate how far the flying craft is over the ground, ie altitude .. 7.55 etc and it changes with the height of the object to the ...
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1answer
64 views

In add-on script, how to automatically rewrite string in the bottom statusbar on each edge select/deselect in edit mode

I'm trying to write my first add-on that should tell me the summary length of selected edges in edit mode if there are any. I got the part with getting selected edges and counting sum length, but what ...
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14 views

Move hair keys by code

I'm working on an add-on that needs to move hair keys, i wasn't able to find any info about it. I'm also new at programming add-ons, so i need some help. i tried to set hair_keys[key].co to a Vector, ...
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36 views

How to wait for an operation - to another operator - to complete within an operator (import_scene)

Besides the point but why is this not working as a default stack is expected to work? I'm trying to get an operator to call another operator and wait for the operator's response before proceeding. ...
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37 views

How can I swap two objects positions?

Either a script or addon or whatever, is there any easier way to swap the Z coordinates of two objects in one click or something, I am making a graph like animation and I need to swap the bars a lot, ...
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13 views

Running Modal Operator based on condition: Is this legit?

I am using a Modal Operator in my add-on and would like to know if it is a bad idea to use the same Operator sometimes modal and sometimes directly: ...