DIY Cornmeal from Popcorn Kernels
Interesting article at Serious Eats about grinding unpopped popcorn kernels to make fresh cornmeal and a cornbread recipe using the freshly ground cornmeal. A Vitamix blender is used. A 32oz bag of popcorn makes 5 1/2 cups of cornmeal.
To shatter corn even better freeze it before. I grind grains for bread with an older SS vitamix. Sift out larger pieces then grind them again. Last grind of sifted out larger pieces is in device #2, a kitchen aid coffee/spice mill
The common large size kitchen strainer (device #3) is your friend for sifting