The Blender 2.83.10 LTS release is enabled for downloading on the official Blender site.
Tag: 2.83
Blender add-on: UV Plus
Blender add-on with additionals tools for working with meshes UV-s in UV Editor.
Blender 2.83.9 LTS release
The Blender 2.83.9 LTS release is enabled for downloading on the official Blender site.
14 bugs fixed in this version.
Blender add-on: Mesh Source
Blender 3D add-on for converting meshes to python source code and saving it in a library for further distribution.
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Blender add-on: BIS v. 1.9.1.
BIS (Blender Interplanety Storage) updated to v.1.9.1.
- All materials in the database have been updated for the new data storage format.
- The current version fixes the final transition to the new format. Please update the addon to the current version and no longer use the previous ones.
- The base of materials with the previous format is saved in the archive. If you have any difficulties with your materials, it is always possible to restore the material from the previous backup version. To do that please contact the BIS administration.
Blender 2.83.8 LTS release
The Blender 2.83.8 LTS release is enabled for downloading on the official Blender site.
16 bugs fixed in this version.
Blender add-on: BIS v. 1.9.0.
BIS (Blender Interplanety Storage) updated to v.1.9.0.
- Updated some parameters for Blender 2.83 nodes
- The format of data storage in the library has been changed. Now the backward compatibility is fully supported, saved materials, and node groups for any previous versions can be loaded with the add-on version 1.9.0. In the future, it is planned to update all materials and node groups in the repository to version 1.9.0. After that, backward compatibility with older versions will be removed from the add-on. Users can update their materials themselves by downloading the material from the repository and updating it by clicking the “update” button. It is not necessary to do this; in the future, all non-updated materials will be updated to version 1.9.0. automatically.
- A code refactoring was made, now more attributes are saved for each node. Getting of the attributes is now automatic.
- The size of the saved data is reduced due to archiving on the fly, which should reduce the amount of traffic when working with the add-on.
How to get the render pixels coordinates in compositing
When fine-tuning the finished render in “Compositing”, sometimes it is necessary to refer to the pixels coordinates of the processed image, for example, to apply effects distributed over the entire width or height of the image.
We can get the distribution factor of coordinates along with the height or width of the rendered image using texture nodes.
Continue reading “How to get the render pixels coordinates in compositing”
Blender fonts
Blender uses two fonts:
- Blender Mono I18n
- DejaVu Sans
The “Blender Mono I18n” font is used in the Blender interface – menus, panels, and the Python Console.
Blender 2.83.7 LTS release
The Blender 2.83.7 LTS release is enabled for downloading on the official Blender site.
9 bugs fixed in this version.
How to delete object from scene through the Blender Python API
To completely remove the object from the scene through the Blender Python API do the following:
Open the “Text Editor” window.
Continue reading “How to delete object from scene through the Blender Python API”
How to show all available nodes
How to check the list of operators added to the area header
To add an operator to the area header, we can use the “append” and “prepend” functions specifying in its parameters the drawing function of the operator call button.
For example, to add an operator of adding the default cube to the header of the viewport (3D View) area, we need to define the operator drawing function:
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def cube_add_fnc(self, context): self.layout.operator('mesh.primitive_cube_add', text='', icon='MESH_CUBE') |
and add it to the window header:
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bpy.types.VIEW3D_HT_header.prepend(cube_add_fnc) |
The operator button will appear in the header of the viewport window.
Now we can view a list of all the functions that add operators to the area header by the “_draw_funcs” property of the “draw” method.
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bpy.types.VIEW3D_HT_header.draw._draw_funcs # [<function cube_add_fnc at 0x000000000FC8B8B8>, <function VIEW3D_HT_header.draw at 0x000000000F9C0678>, <function draw_pause at 0x0000000011633A68>] |
Note that the “_draw_funcs” property would be defined only if custom operators have been added to the area header. If custom operators were not added to the header, an error will be thrown:
AttributeError: ‘function’ object has no attribute ‘_draw_funcs’
How to create camera through the Blender Python API
To create and add a camera to the scene with the Blender Python API we need to do the following:
1. Create a camera data-block
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camera_data = bpy.data.cameras.new(name='Camera') |
2. Create an object and link it with the camera date-block, we created
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camera_object = bpy.data.objects.new('Camera', camera_data) |
3. Add created camera-object to the scene
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bpy.context.scene.collection.objects.link(camera_object) |
A new camera will be created in the current scene in its main collection.
Final code:
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import bpy camera_data = bpy.data.cameras.new(name='Camera') camera_object = bpy.data.objects.new('Camera', camera_data) bpy.context.scene.collection.objects.link(camera_object) |
How to append an object from another blend file to the scene using the Blender Python API
Blender 2.83.6 LTS release
The Blender 2.83.6 LTS release is enabled for downloading on the official Blender site.
30 bugs fixed in this version.
Blender add-on: Area Switcher
Area Switcher – Blender 3D add-on for quickly switching work areas.
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Blender add-on: BIS v. 1.8.4.
BIS (Blender Interplanety Storage) updated to v.1.8.4.
- Updated some parameters for Blender 2.83 nodes
Using the FileBrowser interface window to opening and saving files
In scripts and add-ons for importing-exporting files with formats that are not supported in Blender by default, we must give the user an ability to select files using the “FileBrowser” interface.
To open the file browser window, and after the user selects the necessary file, to return the path to it, we need to use the “ImportHelper” and the “ExportHelper” classes.
Continue reading “Using the FileBrowser interface window to opening and saving files”
Blender 2.83.5 official release
The Blender 2.83.5 release is enabled for downloading on the official Blender site.
25 bugs fixed in this version.
Watermark Plus add-on – workflow sample
Why the Watermark Plus add-on is useful for a designer:
I use it like this: until the customer pays for the project in full, he has all the renders in final quality, in the final size, but with watermarks. The customer has access to the “Conform” folder. And after paying for the project, I just give access to download from the “Final” folder.
Very simple, very effective.
Blender EEVEE transparency blend modes – Multiply and Additive
In Blender 2.83 in the EEVEE render engine the “Additive” and “Multiply” modes that were present in Blender 2.80 were removed from the possible transparency blending modes.
But if you need to use these transparency blending modes in Blender 2.83, you can get them with nodes.
Continue reading “Blender EEVEE transparency blend modes – Multiply and Additive”
How to create mesh through the Blender Python API
To add custom mesh to the scene through the Blender Python API we need to do the following:
Open the “Text Editor” window.
Continue reading “How to create mesh through the Blender Python API”
How to install required packages to the Blender Python with pip
For add-ons developing, sometimes it is necessary to use packages that are not included in the core set of the Blender Python interpreter. Most often, the dependencies you need are included in the Python Package Index (PyPI) and can be installed to Blender through the Pip package management system.
The Pip Package Manager is already installed in Blender. However, Blender does not allow us to install the desired packages in a common way with the “pip install package_name” command.
Continue reading “How to install required packages to the Blender Python with pip”
Blender add-on “Neoner” v. 1.1.1.
Blender add-on “Neoner” updated to v. 1.1.1.
- Added automatic converting curves type to “3D”
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