def get_object_bound(self) -> BoundingBox:
p1_index = self.mesh.index[self.triangle_index*3 + 0]
p2_index = self.mesh.index[self.triangle_index*3 + 2]
p3_index = self.mesh.index[self.triangle_index*3 + 1]
p1 = self.mesh.points[p1_index]
p2 = self.mesh.points[p2_index]
p3 = self.mesh.points[p3_index]
bb = BoundingBox.create_from_two_point3d(p1, p2).get_union_point3d(p3)
return bb
