Widely publicized already, I felt compelled to add to the chorus when I put this change in. Below are terminal commands you can use to switch back and forth between the new 3-D and 2-D dock configurations.
To enable the 2D Dock, open up a terminal window and enter the following two commands
defaults write com.apple.dock no-glass -boolean YES; killall Dock
To enable the 3D dock, open up a terminal window and enter the following two commands
defaults write com.apple.dock no-glass -boolean NO; killall Dock
Thanks to Proton over at MacOSXHints.com for originally posting this tip!


5 responses so far ↓
1 Mac Lab Rat - GGP #68: Security Holes and Feature Fixes | K's Weblog // Nov 5, 2007 at 5:10 pm
[...] half-dozen dashboard widgets and applications to swap your 3D-Dock for a 2D version. I even posted the command-line fix to my own blog last [...]
2 domi235 // Nov 15, 2007 at 5:12 am
The command for enabling the 3d dock is the same as the one for enabling the 2d dock :O
3 GuruPanguji // Jan 2, 2008 at 10:32 am
I believe the command for re-enabling the 3d dock is
defaults write com.apple.dock no-glass -boolean NO; killall Dockand notdefaults write com.apple.dock no-glass -boolean YES; killall DockThe difference is the flag value - YES/NO.
4 Mac Lab Rat - GGP #75: Pink Privacy | K's Weblog // Jan 29, 2008 at 3:50 pm
[...] LeopardMod allows you to tweak settings in OS X that aren’t readily changeable by other means. For the most part it’s a really nice UI to handle command-line plist changes (like this). [...]
5 Keith Murray // Feb 16, 2008 at 1:11 am
@Guru: right you are, not sure how I missed that. Must have been a freudian slip ’cause I hate the 3d dock.
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