Beyon the Grid - 'Creating Unique, High Performance Interfaces With UICollectionView' is a talk given by with Nathan Eror at altConf
This is a proejct that is probably similar to what Nathan used.
To run the example project, clone the repo and open in Xcode.
Swift 2.1, iOS 9 shold work on iOS8, but not tested.
Amos Elmaliah Twitter: amosel
##License This is available under the MIT license. See the LICENSE file.