Pretty self explanatory. VERY cool effect.

javascript:(function(){var js=document.body.appendChild(document.createElement("script"));js.onerror=function(){alert("Sorry, the script could not be loaded.")};js.src="https://rawgit.com/Krazete/bookmarklets/master/tri.js"})();

How To Use:

1. Copy and paste the code into your bookmark bar.

2. Go to the page you want to make it 3D

3. Activate the bookmarklet!