Loosely stated, Fabrication is an abstract layer for PureMVC and Multicore Pipes, which facilitates faster development of Multicore PureMVC applications. You can read about it here and there is a great blog post here as well with some additional links.
Haven’t had the chance to use PureMVC in a while, although the compensation is that I get to do some cool math at my current gig. When possible, I try to keep up with developments in the PureMVC field. The MultiCore implementation where the core actors are implemented as Multitons, not Singletons is very interesting. Messaging between cores is implemented via a pipes utility.
Here are a few links to get you started in these areas.
HelloPipes tutorial using MultiCore and Flex Modules.
MultiCore app. demo without Flex Modules.
As a follow-on to my previous post listing some PureMVC links, here are some more I’ve come across that may be of interest to PureMVC users. Enjoy.
Interview with Cliff Hall, creator of PureMVC.
Discussion of Cairngorm and PureMVC as patterns of GUI architecture.