3D Chao Viewer
The Chao Island 3D Chao Viewer can be accessed and used from the website directly!
Link: Chao Island: 3D Chao Viewer
This is a program written by Justin113D which lets you select variables to create and view a Chao in full 3D! Be sure to use the hashtag #ChaoViewer when sharing on social media!
You can download the standalone files from this this page.
There is a version for Android located in the Mobile Downloads section. Click here.