Olympus -
Outside : https://www.deviantart.com/greedlin/art/Olympus-Has-Fallen-Custom-Steelbook-821892993
Inside : https://www.deviantart.com/greedlin/art/Olympus-Has-Fallen-Custom-Steelbook-Inisder-821893152
London -
Outside: https://www.deviantart.com/greedlin/art/London-Has-Fallen-Custom-Steelbook-821892847
Inside: https://www.deviantart.com/greedlin/art/London-Has-Fallen-Custom-Steelbook-Insider-821892925
Angel -
Outside: https://www.deviantart.com/greedlin/art/Angel-Has-Fallen-Custom-Steelbook-821892649
Inside: https://www.deviantart.com/greedlin/art/Angel-Has-Fallen-Custom-Steelbook-Insider-821892762
See the process of making them in reality
Detective Pikachu - https://www.youtube.com/watch?v=-VWjVl1y2yc
John Wick - https://www.youtube.com/watch?v=36ivu2MkjsM&pbjreload=10