The easiest way to hide and show rendering objects is to assign animation keys to them. To do this, move the cursor over the eye icon (visibility in the viewport) or camera (visibility when rendering) in the Outliner window, press the “i” key and then manage the created condition in the Graph Editor like the ordinary animation keys.
But this method is not always available. For example, we cannot assign visibility animation keys for collections, Blender will generate errors like:
“hide_viewport” property cannot be animated
“hide_render” property can not be animated
However, using the Blender Python API, we can control the visibility of such objects.
The convenient Blender 2.7 feature to remove duplicated vertices “Remove Doubles” has disappeared from the Blender 2.80 menu. In 2.8 it was renamed to “By Distance” and moved to the Vertex – Merge Vertices menu.
Two new modes were introduced to work separately, one for materials (easier to use) and the second – for node groups (for advanced shader making). In the “Material” mode, the entire material is stored and loaded. In the “NodeGroups” mode, everything works without changes, a separate node group is saved and loaded for the convinient creating complex shaders.
In the “NodeGroup” mode uploaded node group adds to the current open node group instead of the node tree root as before.
Experimental mode can be enabled/disabled in the add-on preferences.
Nutti, the author of the “fake-bpy-modules” project, has made the installation of the Blender Python API autocomplete modules through the pip platform. Pip installation is faster and easier, but sometimes we just need to copy the autocomplete modules to our project but now they are not included in the Nutti’s GitHub.
In Blender 2.8 the selection mode has been changed. The “select all” command is still mapped to pressing the “a” key, but the “deselect all” command in Blender 2.8 is now mapped to a double-click of the “a” key or to the “alt + a” key combination. However, it is easy to return the familiar selection mode from Blender 2.7 – selecting and deselecting all by pressing one “a” key.
To do this, in the “Preferences” window in the “Keymap” section type “object.select” in the search field. In the search results in the “Object mode” section in the line with “a” key snapping set the “Toggle” value to the “Action” parameter.
This will return the familiar selection in object mode.
In order to resize the T- or N-panel of the Blender UI, you just need to hold the edge of the panel with the mouse and drag it left or right. However, in this case, you can only change the size of the panel itself, but not the interface elements on it.
To change elements size and the font size of the panel, you need:
hover cursor on the panel
hold together the “ctrl” keyboard button and the middle mouse button (scroll wheel)
move the mouse up or down
This works not only for the side panels but also for all the “Properties” window.
Normal maps are usually saved in one of the two most common formats: OpenGL or DirectX. Blender uses OpenGL specification. Trying to use normal maps saved in another format will result in the wrong visual effect. To convert normal maps to the desired format the “OpenGL – DirectX Normal Map Converter” node group from the BIS material library can be used.