Create a Pitcher - tutorial for Argon, Xenon and Cobalt
demonstrates how to define an organic shape with wire frame
geometry and create a single, smooth surface around that
wireframe, pdf, Ashlar Vellum, May 2005
Model a Spray Bottle Head - tutorial for Argon, Xenon and
Cobalt to model a spray bottle top, pdf, Ashlar Vellum, May 2005
5 MCAD Companions for 3D Design - reviews of Argon v5, form*Z 4.0, Rhino, truespace and VectorWorks 10, Joe Greco, DE Online, November 2002
Argon and Beyond - Ashlar's new surface and solid modeler has powerful surfacing tools but interface is antiquated. Also mentions Xenon and Cobalt, Ashlar's higher end offerings, Joe Greco, CADENCE, Jan 2002