Eighth after communication ends results at the beginning of a uniform illumination of the front face. Entknicken for something and with possible pyramid arrangement of inner surfaces then the entire front appears uniformly bright and also the softbox effect is now much more pronounced.
Thus, the softbox is only partially mobile and quick to use, for the ambitious home user aaber all worth considering.
However, would not hurt for the price OK, a little more stable / rigid edge seams.