Collaborative design review is an important part of architectural design work. The Space Pen system supports annotation and drawing on (and inside) 3D VRML/Java models using a regular Web browser to exchange text and sketched annotations for review. Keywords Annotation, Collaboration, 3D models, VRML, sketch in 3D, pen-based interface, Java 3D
Thomas Jung, Mark D. Gross, Ellen Yi-Luen Do