Turning off the Load UI option by default

Blender is developing intensively and new versions of the program are released quite quickly. In this case, compatibility often suffers – when we open a project created in earlier versions of Blender, it can be opened not correctly. Sometimes this happens because Blender stores all user interface (UI) settings and options in every .blend file. Opening a project with the Load UI option unchecked can help.

In this case, Blender only loads the project itself, without any UI settings that may have changed in the current version.

Filtering values ​​available for selection through the UILayout.prop()

When creating custom properties, the values ​​of which the user can choose from a list, it is often necessary to filter the list of values ​​offered for selection. We can use the poll function to shorten the proposed list of values by removing unwanted elements.

Adding the “Purge” button to the 3D Viewport header in Blender

Pressing the “Purge” button cleans the current open scene – removes all unused objects from it (mesh, nodes, materials, textures, etc.). However, this button is located very inconveniently, in the Outliner header and is visible only in the “Orphan Data” Outliner mode. For quick access to this button we can move it to the header of the 3D Viewport.

Searching for nodes by first letters

For quickly finding the desired node in the Node Editor in the search box it is enough to type only the first letters from the node’s name.

This method works both in the shader node editor and in the Geometry Nodes search system.

For example, to search for the “Set Curve Radius” node, it is enough to type only the “SCR” letters in the search field. And to search for the “Principle BSDF” node, just type “PB”.

How to change the hotkey for switching selection mode between vertex-edge-face

Switching the selection mode between vertices, edges, and polygons in mesh edit mode is mapped by default to pressing the 1, 2, and 3 keycodes on the keyboard. However, if it is more comfortable to use these hotkeys for other functions, we can change this mapping.

Creating the same UI panels in different Blender areas with no code duplication

To create several identical UI panels with the same set of fields and buttons in different areas in Blender, the easiest way is to copy the panel code and replace the parameters that determine in which area the panel will be shown.

The main disadvantage of this method is code duplication, which can make difficulties in the future – when editing panels, changes must be made to each copy of the code, instead of changing it at once for all panels.