Note: Mozilla has removed the 3D View from Firefox 47 onward.
Mozilla firefox team has included a 3D browsing view in mozilla firefox 11.
“Web developers can now visualize a web page in 3D using the Page Inspector 3D View”
From firefox 11 release note.
To enable this 3D view in firefox
1.Download and install firefox 11
2.Open firefox and just go to your favorite website connectwww.com.
3.Click the Firefox orange button.
5.On the Inspect toolbar,Click 3D(M) button.
Program: Firefox 11
Estimated Completion Time: 1 Minute