The paper describes a framework supporting the creation of 3D user interfaces to visualize awareness information about the cooperation context of distributed actors. The paper discusses the motivations behind the framework and illustrates ThreeDmap, an editor allowing the creation and customization of 3D interfaces supporting the perception of awareness information. Categories and Subject Descriptors H.5.2 [INFORMATION INTERFACES AND PRESENTATION]: User Interfaces--Graphical user interfaces (GUI); H.5.3 [INFORMATION INTERFACES AND PRESENTATION]: Group and Organization Interfaces-Computer-supported cooperative work