The thing with jewel cases is that despite being a difficult format to ship (broken teeth where the CD lay, that nasty crack that may occur across the front cover), that they're incredibly easy to craft.
Take this physical representation of "Noise Crack / EP 4", put together by the band themselves. The cutting out and folding is second only to trying to remove the inlay tray without snapping it.
Includes unlimited streaming of Noise Crack / EP 4
via the free Bandcamp app, plus high-quality download in MP3, FLAC and more.