if you are all ready creating a mesh you can change the polygon attributes to PolygonAttributes.POLYGON_LINE so, create your mesh as a trianglestriparray then set the appearance's polygon attributes Scott Scott Decker Research Scientist Pacific Northwest National Labs [EMAIL PROTECTED] ===================================================================== To subscribe/unsubscribe, send mail to [EMAIL PROTECTED] Java 3D Home Page: http://java.sun.com/products/java-media/3D/