The airbag folder in HyperCrash has the following features:

It works on the geometry (and not the mesh) of the airbag.
Automatic surfaces orientation
Meshing of the folded airbag (with generation of the reference state coordinates)
Airbag cut is also available.
The following fold types are available:
oSimple fold
oOpen fold
oSimple tuck fold
oDouble-tuck fold
oSuperimposed tuck fold
oRoll fold
oZigzag fold