Twenty-eight-cornered strengthening member for vehicles

A strengthening member for a motor vehicle, comprising a cross section including twenty-eight corners and including twenty-eight sides arranged to create internal angles and external angles, wherein the corners of the cross section are defined by angles that alternate between four consecutive internal angles and three consecutive external angles.

A vehicle comprising:

• a strengthening member comprising a cross section consisting essentially of twenty-eight corners including sides arranged to create sixteen internal angles and twelve external angles.

A strengthening member for a motor vehicle, comprising:

• twenty-eight sides;
• and
• twenty-eight corners, wherein a cross section of the strengthening member includes a central portion and four lobe portions, and wherein the cross section has more than two bisecting planes of symmetry.