My attempt to use a form of tubular bones in this design ...
Mass characteristics of GE jet engine bracket (Part Configuration - Default) Weight = 708.31339 grams Volume = 159934.05596 cubic millimeter The surface area = 55431.54606 Millimeters ^ 2 The center of mass (Millimeters) X = -74.34852 Y = -4.32075 Z = 30.02857 Weight reducing more than 65.47 percent.