Need help asap plz on box build

[cdubb]

i just bought a 3/4" sheet of mdf and i need box cut sheet i tried searching and cant come up with anything i even used the re box calculator and cant get the port right

my max dimensions are

w=32xh=15xd=17

would like a tune between 28z and 30hz what would be best for 2 vvx-8's? im so lost on this box build i been through 2 sheets already this is gettin expensive

thanks fellow Skar fans