Electric Rain - Swift 3D and Papervision3D Workflow
http://www.erain.com/Products/Swift3D/Papervision3D/Default.asp
Electric Rain Announces Upcoming Release of Swift 3D v5.0 Mac and New Support for Papervision3D
http://www.swift3d.com/Company/Press/PressReleases/Swift3D_v5_Mac_Announce.asp
ERain’s Swift3D to support Papervision3D Export « Papervision3D
http://blog.papervision3d.org/2007/11/15/erains-swift3d-to-support-papervision3d-export/