An assembly for a vehicle includes a vehicle roof and a headliner supported by the vehicle roof. The assembly includes an energy absorber between the headliner and the vehicle roof. The energy absorber includes a wall extending transversely to the headliner and the vehicle roof. The wall includes a lattice structure including a repeating pattern of strips and open cells.

An assembly includes a seatback defining an occupant-seating area. The seatback has a frame and a rear trim cover. The frame is between the occupant-seating area and the rear trim cover. The assembly includes a seat bottom extending from the seatback below the occupant-seating area. The assembly includes a deformable cell between the frame and the rear trim cover. The deformable cell extends from a first end proximate the frame to a second end proximate the rear trim cover. The deformable cell has a contraction between the first end and the second end.

A cellular structure may include a plurality of cells each having a twelve-cornered cross section. The twelve-cornered cross section may include twelve sides and twelve corners creating eight internal angles and four external angles. Each cell may include a plurality of longitudinal walls extending between a top and a bottom of the cell, the longitudinal walls intersecting to create corners of the cell. A structural component may include at least one wall surrounding a component interior space with a cellular structure having at least two cells being positioned within the interior space. A sandwich structure may include first and second substantially planar structures, and a cellular structure with at least two cells positioned between the first and second substantially planar structures.

An assembly includes a seatback defining an occupant-seating area. The seatback has a frame and a rear trim cover. The frame is between the occupant-seating area and the rear trim cover. The assembly includes a seat bottom extending from the seatback below the occupant-seating area. The assembly includes a deformable cell between the frame and the rear trim cover. The deformable cell extends from a first end proximate the frame to a second end proximate the rear trim cover. The deformable cell has a contraction between the first end and the second end.

An assembly for a vehicle includes a vehicle roof and a headliner supported by the vehicle roof. The assembly includes an energy absorber between the headliner and the vehicle roof. The energy absorber includes a wall extending transversely to the headliner and the vehicle roof. The wall includes a lattice structure including a repeating pattern of strips and open cells.

A side pillar air curtain guide includes a main body having a ramp receiver and an air curtain ramp insert connected to the main body. The air curtain ramp receiver insert includes a plurality of ribs projecting from the main body at an acute included angle with the main body.

A cellular structure may include a plurality of cells each having a twelve-cornered cross section. The twelve-cornered cross section may include twelve sides and twelve corners creating eight internal angles and four external angles. Each cell may include a plurality of longitudinal walls extending between a top and a bottom of the cell, the longitudinal walls intersecting to create corners of the cell. A structural component may include at least one wall surrounding a component interior space with a cellular structure having at least two cells being positioned within the interior space. A sandwich structure may include first and second substantially planar structures, and a cellular structure with at least two cells positioned between the first and second substantially planar structures.

A side pillar air curtain guide includes a main body having a ramp receiver and an air curtain ramp insert connected to the main body. The air curtain ramp insert is of honeycomb construction.

A strengthening member for an automobile includes a cellular structure having a plurality of cells. A cross section of each cell has eight sidewalls interconnected at eight corners to define a closed polygon. The sidewalls define eight internal angles located at the corners. Two of the internal angles are acute and two of the internal angles are reflex.

A panel member is provided in front of a seat of a vehicle at a height such that knees of an occupant who moves forward from the seat come into contact with therewith. The panel member includes a cover member defining a surface thereof and a reinforcement member attached to a back side of the cover member over an entire region thereof. The reinforcement member includes an outer part, a central part, and an inner part in a vehicle width direction. The outer part is provided with a first grid-shaped rib unit. The inner part is provided with a second grid-shaped rib unit that expands in the vehicle width direction more easily than the first grid-shaped rib unit. The central part is provided with no rib unit, and is provided with a coupling member coupling the first and second rib units.