const Vertex tank_wreckage_bottom_v[] = {
  {    0,0,0}, // Vertex indices in .OBJ files are based at 1.
  {   11 /*  0.676708 */,    -3 /* -0.198328 */,   -23 /* -1.425036 */},
  {  -11 /* -0.676708 */,    -3 /* -0.198328 */,   -23 /* -1.425036 */},
  {   11 /*  0.676707 */,    -3 /* -0.198328 */,    23 /*  1.425036 */},
  {  -11 /* -0.676708 */,    -3 /* -0.198328 */,    23 /*  1.425036 */},
  {   15 /*  0.950000 */,     3 /*  0.198328 */,   -31 /* -1.954336 */},
  {  -15 /* -0.950000 */,     3 /*  0.198328 */,   -31 /* -1.954336 */},
  {  -15 /* -0.950000 */,     3 /*  0.198328 */,    31 /*  1.954336 */},
  {   15 /*  0.950000 */,     3 /*  0.198328 */,    31 /*  1.954336 */},
  { -128,-128,-128}, /* End of list marker */
};
const Edge tank_wreckage_bottom_e[] = {
  {    1,    2 },
  {    1,    3 },
  {    1,    5 },
  {    2,    4 },
  {    2,    6 },
  {    3,    4 },
  {    3,    8 },
  {    4,    7 },
  {    5,    6 },
  {    5,    8 },
  {    6,    7 },
  {    7,    8 },
  {    0,    0 }  /* End of list. (Index 0 is never used) */
};