A screengrab from the sample project packaged with ofxPuffersphere.
This is a simple example showing how to rotate a quad texture around the sphere, along with an equirectangular grid.
* 3d preview of what the Puffersphere will look like
* Equirectangular preview in order to see everything at once
* The Lambert Conic distortion that will project correctly into the Puffershpere
case study about the installation: