Maya Config Lite makes transitioning to Blender from Maya easy! It is a collection of addons, hotkeys, UI layout and Theme changes that give Blender a Maya-like feel in several key areas. 

I created the original Maya Config as a set of hotkeys and very simple pie menus, to allow for an easy transition between the two applications; Alt + LMB for orbit, Alt + RMB for zoom, and F for focus for example. Over the course of 7+ years it has grown exponentially, to include layout changes (like a left side "outliner" and top shelf), additional hotkeys, additional pie menus (or "marking menus" as titled in Maya) and features, as well as a Pro version. I have personally used it in Professional Post Production work and have heard from many other artists successfully using it in their workflow. While not a full emulation of Maya, it provides a very good blend, leaving Blender's powerful assets in tact while giving just enough usability to have that "Maya-like" feel for most typical tasks. Whether you're making the long term jump to Blender, or needing to continue to jump back and forth between Maya and Blender in your workflow, Maya Config Lite is your go-to tool to get the job done!

The nuts and bolts:

Top Shelf Menu (UI addition)

• Open Files and Save buttons

• Asset Browser button

• Standard Mesh buttons

• Add "Empty" Dropdown button

• Set Origin button

• Freeze Transforms button

• Join and Separate buttons

• Add Background & Reference Image buttons
  

  
  
  

Maya Marking Menu styled pie menu:

• Edge/Face/Vert selection modes that go directly into those particular Edit modes from within Object mode. Edit mode button that goes into last used.

• Object mode toggle button

• Isolate Select toggle button

• Shade Flat and Shade Smooth buttons

• Invert Selection button

• Maximize Screen Area toggle button

• A Create Mesh Drop down menu

• A Create Lights Drop down menu

• A History Drop down menu for freezing & resetting transforms

Special Tools Menu (Shift + Right Mouse Button Activated)

• Special Tools Menu for Faces

• Edges

• and Vertices

  
  

Quad View menu pie (a space bar activated pie menu):

• Quad View toggle button

• Active Camera toggle button

• Orthographic view buttons
  

  

Maya Display Panel, left side panel:

• 3D Cursor ON/OFF button

• Symmetry button

• Render window button

• Tutorials button linking to Form Affinity videos

• Quadview toggle button

• Active Camera toggle button

Keymap section, allowing you to quickly switch between Blender default or Maya hotkeys/keymaps:

• Blender keymap button

• Maya keymap button
  

Keymap:

• Alt + Left Mouse Button Rotates (tumbles) the 3D View

• Alt + Middle Mouse Button Pans the 3D View

• QWER keys set to Selection Box, Move, Rotate & Scale widgets

• F key set to Focus on object

• Right Mouse button brings up Marking Menu

• Ctrl + Space bar also activates Marking Menu

• Alt + E hotkey for Isolate Select

• Ctrl + E hotkey for Extrude on normal

• G key set to Create Face
  

UV Section:

• W for Transform

• Q for Selection Box

• E for UV Context Menu

• F in 3D Viewport will Focus on Selection

• F in Outliner will Focus on selected object (expand)
  

Themes and Configuration:

• Two Maya styled 3D Viewport themes + a Modo , Sketchup, Blender Dark and a Solid White theme.

• Layout configured to resemble Maya panel locations, look and feel.

Other Features:

• Selecting/dragging outside of an object while in the Move/Rotate/Scale widgets deselects instead of transforming. 

• A version of MyAlt for Blender particular to this setup

• Modeling Tab defaults to Object Mode instead of Edit Mode.

• Add/Subtract/Difference selections using Shift, Ctrl, Ctrl + Shift, while in transform widgets (Move, Rotate, Scale)

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