--- /dev/null
+package tim.prune.threedee;
+
+/**
+ * Class to hold Exceptions thrown by 3d routines
+ */
+public class ThreeDException extends Exception
+{
+
+ /**
+ * Constructor
+ * @param message error text
+ */
+ public ThreeDException(String message)
+ {
+ super(message);
+ }
+}