It's stack-based. You can have up to 8 stacks, vertically or horizontally. You can find a presentation and a small demo of the features on that presentation: h

It's stack-based. You can have up to 8 stacks, vertically or horizontally. You can find a presentation and a small demo of the features on that presentation: http://billiob.net/blog/20110717_etiling.html http://billiob.net/blog/20110717_etiling.html . E-Tiling is now the default tiling module.