The first stable version of the Macro Three is now released and available for download. Now you can easily load and display 3D objects in XWiki!
Link to the extension: https://extensions.xwiki.org/xwiki/bin/view/Extension/MacroThree/
You can find the usage instructions and documentation on the extension page. The instructions and demos are also available on the page
Macros.ThreeMacro upon extension installation in your wiki.
If you find any bugs or have any feature requests, add them as issues on http://jira.xwiki.org/projects/THREE.
Thanks and hope you like the macro.