1. Get the Alias Matcaps and + Shading Plus Pie Menu here
   
   

2. Install the addon

   
   

Go to Blender > Preferences > Add-ons > Install and select the ZIP file called Shading_Plus.zip.

3. Install or update the matcaps via the addon preferences
   
   

4. Use the Shading + features

   
   

• Material

  Switch to Material Preview with the EEVEE render engine

  
  

• EEVEE

  Switch to Rendered Shading with the EEVEE render engine

  
  

• Cycles

  Switch to Rendered Shading with the Cycles render engine

  
  

• Workbench

  Switch to Rendered Shading with the Workbench (Solid Shading) render engine

  
  

• Solid + Presets

  Switch to Solid Shading with a quick access to a selection of presets:

  • Default: Blender's default Viewport Shading settings

  • Cell: flat colors with shadows enabled - works great in Workbench Rendered with the compositor enabled

    • (when Cell enabled) Unify colors: detect all your material colors in your scene, and apply them to your material's viewport display colors (within a limited range of colors to keep a cell-shading effect)

  • Alias1, 2 3 and 4: Alias most famous shaders

  • Red 1, Red 2, Fuel: other hard surface friendly shaders

  • User 1 and User2: customizable user profile.To set it up, set the profile of your choice via the Viewport Shading Panel, then click "Sync to User1"

    
    

• HDRI

  • Studiolight/World: Switch between built-in HDRI (studiolights) and world HDRI

  • if Studiolights: switch between Blender's built-in Studiolights

    
    

• Compositor

  Turn on compositor and use some quick presets (WIP)

  
  

• Misc

  Sync shadows: sync shadow settings across all scenes in your file (where shadows are enabled)