Or maybe you mean westernized bamboo flutes with some westernized versions of middle east scales. If that's the case, much easier done,
http://www.fireflutes.com/bamboo-flute-styles.html Modified Egyptian scale. Probably Hijaz. So many maqams can't tell which scale it is. Nobody probably ever asks unless they are familiar with middle eastern scales.
Then there is
http://eriktheflutemaker.com/collections/flutes I have a couple of his "Egyptian Flutes" Not bad at all but he used to take a long time to make a flute because of his waiting list. Used to make a nice fipple sheppards flute in Hijaz scale
Then his former apprentice basically makes the same flutes.
http://www.ownsitenow.com/En/Flutes.htmBut these are westernized versions of Middle eastern flutes but most people won't know the difference.
I do have some of these flutes in pristine condition as well as a small Egyptian Nay well tuned if you are interested in trades.