Still getting an exception, but in a different location:
java.lang.ArrayIndexOutOfBoundsException: length=44; index=1330
at com.threed.jpct.Mesh.calcNormalsFast(Mesh.java:939)
at com.threed.jpct.Mesh.calcNormals(Mesh.java:545)
at com.threed.jpct.Object3D.calcNormals(Object3D.java:3382)
at raft.jpct.bones.Animated3D.attachVertexController(Animated3D.java:452)
at raft.jpct.bones.Animated3D.<init>(Animated3D.java:117)
at raft.jpct.bones.AnimatedGroup.clone(AnimatedGroup.java:440)