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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36
votes
2answers
132k views

Installing an addon

There is this addon that was built called Window Generator 2. It can be found at this BA thread. However, when I go to the download link it shows up in a new tab as a bunch of code. How can I ...
11
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1answer
2k views

Addons: Only some .zips will install

Why is it that if I go to install an add-on from User Preferences > Add-ons > Install from File... and choose a *.ZIP, some add-ons will install, while others will return me to the User Preferences ...
16
votes
4answers
4k views

Workflow for developing add-on/script

I'm trying to figure out a good workflow for developing scripts and add-ons in Blender. Here's what I'm currently doing as I try my luck with a PyNode add-on: Open blender Create a text editor panel ...
8
votes
2answers
4k views

Object selection box in addon

In my addon panel, how can I have an object selection box? And what data type would I use to store the the selected object? It should look like this:
3
votes
2answers
2k views

Object creation slows over time [duplicate]

I know that this has been asked before, but the answers that others have received did not help me much. When creating objects through Python, using bpy.ops.mesh.primitive_cube_add() there is an ...
8
votes
1answer
6k views

Dynamic EnumProperty by type of selection

Iam searching for a method to get a EnumProperty by the type of the object (Lamp, Geo, Camera) thats selected in the viewport. E.g. If the selected object is a lamp, it would be nice the enum ...
7
votes
2answers
11k views

“Install from File” not working to install addon

I'm facing a problem with the installation of a downloaded addon. I press Ctrl+ALt+U to access preferences panel in addons I select INSTALL FROM FILE Then a choose caliper script and press INSTALL ...
7
votes
2answers
1k views

Object selection box with eyedropper

How to add an eyedropper functionality to prop_search in my addon? ...
5
votes
1answer
3k views

Can blender use the Alpha channel of an image as transparency on a plane?

I was wondering if I used Photoshop to make a portion of my picture transparent, Would Blender be able to use those transparencies while importing the photo using the Import images as a plane Add-on
22
votes
1answer
12k views

How do I copy a property from an active object to selected objects?

I have been using the Copy Attributes add-on to copy some properties from active object to selected objects. This add-on is not enabled by default and must be explicitly enabled. But its a very useful ...
16
votes
1answer
7k views

How to make a curtain

In the addon ArchiMesh there is a Japaneses curtain feature, but, it looks straight and does not have the fold that I want in it. Is there an addon that can do this for me? If not, how can I make a ...
19
votes
1answer
5k views

How to implement custom icons for my script/addon?

Is it possible to use different icons other than the default set and how?
5
votes
1answer
937 views

Accessing bpy.context gives a '_RestrictContext' warning, how to fix this?

I got this error message when I try to enable my addon. ...
2
votes
2answers
322 views

How do I get a mesh data-block with modifiers and shape keys applied in Blender 2.8?

I'm trying to update an exporter to work with Blender 2.8 but can't seem to get a mesh data-block modified by modifiers or shape keys. It always gives me the base mesh. I'm currently using ...
26
votes
3answers
10k views

How can I generate an object from a mathematical function?

I have a formula that mathematically describes the heart surface in Cartesian coordinates: $$\left(x^2+\frac{9y^2}{4}+z^2-1\right)^3-x^2z^3-\frac{9y^2z^3}{80}=0$$ Unfortunately, I have no idea how ...
8
votes
1answer
6k views

What are the not so obvious features of Rigify?

I watched a tutorial which explained that scaling the finger controls would make them curl. Are there more features like curl by scale in rigify which are not intuitively discoverable ?
23
votes
3answers
12k views

How to do photogrammetry within Blender?

Photogrammetry is really frustrating. The good tools are really expensive, and the free tools are either really old, or really difficult to get working because they're pet-projects... or they're ...
7
votes
3answers
2k views

Is there an addon for renaming an object with a keyboard shortcut?

I want to use a keyboard shortcut to bring up a text field for renaming the active object. As far as I know, currently no such shortcut exists, and making one will require an addon. I seem to ...
18
votes
3answers
8k views

Is there a way to restart a modified addon?

I'm currently twiddling with an old addon and insert some print statements for debugging. Currently I'm restarting Blender each time to see the new messages. Is there a way to 'refresh' an already ...
7
votes
2answers
9k views

Where is “Regular Solids” option?

Following an online tutorial that uses an object named "icosahedron" from Add > Mesh > Regular Solids > Archimedean > Icosahedron. This object is not available in my version of Blender (2.74). ...
4
votes
1answer
1k views

Add prefix to filename on “Save Blender File”

I want a prefix added to the name of the .blend file when saved through the "Save" File Browser. Generating the prefix and new filename is no problem, but actually using the new filename is what i ...
15
votes
4answers
5k views

Is there a way to make comments in the node editor?

I'd like to have a node like the Frame node but one that can have lots of text, not just a header. I've looked and it looks like there isn't any such capability so far, so I was wondering how easy it ...
12
votes
4answers
12k views

List of objects in scene with counts (verts, faces, tris)?

Is there a way to see a list of all objects in the scene with the number of verts, tris, faces of each object? I know you can click on a object and go into edit mode and it shows the numbers, but if ...
10
votes
1answer
1k views

What is Animation Nodes addon used for?

What is Animation Nodes addon used for? Where can I find more information about it?
7
votes
1answer
15k views

Arrange selected vertices in a Circle [duplicate]

How do I arrange selected vertices into a circular formation quickly? The other answers does not have the same title as my question. My question is direct and simple for younger beginner to search ...
3
votes
1answer
680 views

How to redirect output from 'bpy.ops.*'?

When calling operators such as bpy.ops.mesh.remove_doubles() it outputs how many vertices were removed into console. In some cases its better to silence it, but ...
5
votes
4answers
1k views

Update all materials, but keep their color and textures

I am working with a very large scene file that was imported as .obj. This gave me basic blender internal materials with colors and textures. I then used an addon to convert all of the BI materials to ...
1
vote
1answer
1k views

How do I fill an area with faces lined up in a grid over a not flat surface?

Hello to everyone again, I'm looking for an addon or a short cut to fill fast and simmetrically a NOT FLAT surface that needs to be closed with vertices. Doing it manually it takes a lot of time. I ...
7
votes
1answer
2k views

Problem enabling siding generator addon

I created this siding generator and I have been adding some new features and I have encountered some problems that I just can't seem to get around. Currently it is not installing into Blender 2.72 ...
4
votes
1answer
3k views

Resource for Blender addons?

Trying to keep track of the updates to all the great, user-developed add-ons is fairly frustrating (at least for me). Is there currently a centralized resource where all these amazing add-ons are kept ...
4
votes
2answers
667 views

How can I create a mathematically correct arc/circular segment?

Given 3 vertices, or a chord and height, how can I create a mathematically correct arc/circular segment with an even distribution of vertices while controlling for the number of vertices. I ...
1
vote
1answer
286 views

Why the addon installation succeeds but the API is not accessible through the bpy module?

I have compiled Blender 2.79b as a Python3 module on Ubuntu 16.04 LTS. I install an addon using bpy.ops.wm.addon_install(), enable it using ...
14
votes
1answer
7k views

Where is the BSurfaces project living now?

It would appear that www.BSurfaces.info the web site for the retopologizing tool has gone down and was gobbled up by a dentistry practice. Where is the project living now? Has someone put the code on ...
7
votes
2answers
9k views

Blender won't import my custom module, ImportError: No module named mymodule

My addon is in /home/usr/.config/blender/2.68/scripts/addons/foldername, has an __init__.py and cannot somehow import parts, ...
11
votes
2answers
3k views

How do I space quads evenly?

Is there a way in blender or an addon that allows me to select a bunch of faces (or verts) and evenly distributes (or relaxes) them into quads clean quads. Without screwing up the vert ID/order. ...
4
votes
1answer
509 views

Render 100k objects each with independent color and scale through time

I'm trying to visualize some data that is essentially 100k time series, each with an associated position. I'd like to render this with each object a sphere whose color/scale/alpha is driven by it's ...
4
votes
1answer
3k views

Class already registered as subclass (module structure for addon)

I am working on creating an addon and I have a main __init__.py file and then I have a another file we will call utils.py. ...
3
votes
1answer
8k views

How to use Blender's dynamic sky add-on?

How do I use the dynamic sky add-on to create a: 1 daytime sky with no cloud? 2 night-time sky with stars? 3 sunset sky with clouds? I'll be using the cycles render engine. Also are there any ...
3
votes
2answers
564 views

What is the best way to model the intersection of multiple hard-surface pieces?

What is the best way to model the intersection of multiple hard-surface objects? Not technically different "objects" persay - but where different pieces meet visually. What are various ways of ...
12
votes
1answer
3k views

Importing PNG series with Import Image as Plane is blurred and has artefacts

I am using a series of .png images (from green screen footage) with alpha channels. However, when I try to import image(s) as plane(s) in a rendered scene, the image is blurry with anti-aliasing off. ...
4
votes
1answer
1k views

How can I copy or print errors from the console?

I am testing an importer addon that still has bugs. Sometimes when I import a file, I get a large error all over my screen (and in the console.) I want to save this error log out to a text file so ...
5
votes
2answers
4k views

Cell Fracture addon leaving unfractured boxes?

I have been trying to make a short clip of a bullet hitting a wine glass with wine in it, but I keep running into the same problem with the add-on. Every time I have used it the result has left me ...
4
votes
1answer
1k views

index out of range for UIList causes panel crash

I am writing an addon that displays the mesh modifiers in a listbox, with the settings below the box. The issue I have is with the active index for the listbox - I'm using a custom property because ...
2
votes
1answer
626 views

How can I slow down or animate time?

"I want to be able to switch my scene between fast and slow motion, or have all of it go into slow motion except the camera so I can pan through." This is commonly asked for, and while there are some ...
6
votes
1answer
797 views

Prevent (accidental) deletion of object

Is there a way to "lock" an object so that it can't be deleted without unlocking it? Kind of like the option often present on digital cameras. If not, any other way of preventing the user from ...
4
votes
1answer
423 views

Imported object shows aligned to the wrong axis

I was doing fine with importing an obj I made in Marvelous Designer into Blender for rigging. The dress would settle nicely on my SL avi. Now when I import the object; it is perpendicular to my ...
2
votes
1answer
412 views

Copy existing property from e.g. Properties window to a custom panel

So if I have this custom panel in the 3D view, is there a way I can take a property from for example the properties window and paste it onto my panel below the "text" prop, without creating a new ...
2
votes
1answer
3k views

'Mesh' object has no attribute 'faces'

I'm trying to do an export plugin for Blender 2.69 to metasequoia file (.mqo). Vertex is exported but i have some trouble with faces. I used this has a reference but it's for blender 2.5 so i think ...
0
votes
1answer
608 views

Is the add landscape button really just a pre-made Mt. McKinely?

In the add mesh menu, If you click on the button labeled Landscape, It will add a relatively cool looking mesh. However, once I put my favorite color on it, This mesh seems pretty useless. It ...
73
votes
3answers
43k views

How can I quickly generate / create a large city without modeling it all by hand?

I am trying to create an urban open-world environment in Blender that would be about one square kilometre in size. To avoid having to model hundred of individual buildings, I am looking for a way to ...

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