Maximum Volume from a Square Net

What is the largest volume you can enclose by folding a square piece of paper and taping the edges together? This is a model of the polyhedron with the largest volume.

Steps

1. See the general instructions for making a polyhedron from a net.
   

Notes

• This problem was solved numerically.
  

References

• (Demaine and O'Rourke 2007, 418-419)