Tutorial: How to Change Your Dock 3D to 2D
I figured I would throw this simple tutorial out there for all the Mac enthusiasts that want a new and rather classy looking Dock. This new Dock is actually 2D, and the 3D dock and has a nice clean look to it. You can see everything clearly. Now I will also include how to change your Dock back to 3D, and a website that has some cool Docks to download and use with their app.
To change your 3D Dock to 2D, go into Terminal and copy and paste this code: defaults write com.apple.dock no-glass -boolean YES
Press Enter/Return and then copy and paste this code: killall Dock
Press Enter/Return again and you should have a new 2D Dock.
If you want to go back to 3D, quit and go into Terminal again and copy and paste this code: defaults write com.apple.dock no-glass -boolean NO
Press Enter/Return and then copy and paste this code: killall Dock
Finally, press Enter/Return and your Dock should revert back to 3D.
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For other Dock changes, I have found a helpful website: http://leoparddocks.com There you can browse and download Docks, and then download the application. Remember though, when using that app, make sure you go into Terminal and change it back to 3D, and then use the Leopard Docks app.