Creation of Custom Systems??

[aruna.muthumanickam]

We are trying to model various MEP systems on a single file. Is it possible to "custom" systems apart from the default systems? eg. A gas supply system

[zbrown]

The following video helped us alot with custom systems for pipe

http://inside-the-system.typepad.com/my_weblog/2009/01/create-any-pipe-system-in-revit-mep.html