This what they use in studios for about 25 bucks.
This what my wife and I came up with to use and it cost about three Bucks this works just as good!

This what you will need for your Homemade mic screen wide Bubble wand one dollar at most dollar stores used pantyhose about two bucks stretch the hose over the bubble wand and tie it to your mic stand bend it around to where you want it and your done.

side view.