De or het raamindeling?

The correct Dutch article is:

de raamindeling

Rule Words ending in -ing: almost always de. See the rule

How to use raamindeling

the raamindelingde raamindeling
this raamindelingdeze raamindeling
that raamindelingdie raamindeling
our raamindelingonze raamindeling
your raamindelingjouw raamindeling
every raamindelingelke raamindeling
which raamindeling?welke raamindeling?
a big raamindeling / the big raamindelingeen grote raamindeling, de grote raamindeling