Honestly, it doesn't look that complicated to digitize. You can see where the foam pokes out of the black and the center is a series of overlapping fills with a few satin stitches on top. They could have put a thinner foam under the fill of the E and a thicker foam for the outer black satin border. It does look like they constructed it together later though because that E looks very tall for a hat. Most people can only go 2.5" max for hat height.
