Matrix transformation.
		CubeModel cube=new CubeModel(0,1,0,1F,2.001F,1F);
		Matrix4f rot=new Matrix4f();

		rot.translate(new Vector3f(0,1,0));
		rot.rotate((float)Math.toRadians(40),new Vector3f(0,0,1));
		rot.translate(new Vector3f(0,-1,0));

		cube.transform(rot);

		cube.draw();

OpenGl transformation
		CubeModel cube=new CubeModel(0,1,0,1F,2.001F,1F);
		GL11.glTranslatef(0, 1, 0);
		GL11U.glRotate(0, 0, 40);
		GL11.glTranslatef(0, -1, 0);
		cube.draw();