Extrusion Editor, a visual plug-in for ParallelGraphics' VrmlPad, offers you an effective method for creating and editing extrusion models.

Key features   Visual support for every step in the creation of extrusions; all manipulations with the extrusion parameters are immediately displayed in the 3D window   Ability to create the cross-sections and spines based on spline curves   Advanced interactive texture mapping   Ability to assemble created extrusions in complex models   Expandable library of extrusions   Full VRML97-compliance details...

Examples [view] Bicycle scene size: 18KB download zipped archive (archive size: 18KB) more examples...