Two responses - 1) https://www.ebay.co.uk/itm/137007874324?_skw=1%2F1250+ships&itmmeta=01KGM0G51VPXCXB8GHR0MTJ3CB&hash=item1fe64e4114:g:ybsAAeSw61BpgPxN&itmprp=enc%3AAQALAAAA8O7PUuNWmJ%2B%2BUShgI93tQz%2Fpy%2FcNacAwEUmqBn5cJ6emM0G%2FjXnfGns2LkazdtHpzAbIEA%2B41ILdSEXgNPNA8omzxIaoU0%2FN4nWt0u6PxbV8DeFBQ0tRMAK6R6QwIRXKyw%2F0IS0xYldYJI5Cv71ZCBt8wOL1Fn%2FmxI0viD9DDiUtdNXoHHy%2BUoeODryqr8O9hNxKamhB9Fh5F5t7yLbGRSO7R7N0h2bxGKwWodg8JjA7oDgz4Z47rzC2p%2FE%2BI9b67ShWS%2Fnge6J1ZKJmaw%2B%2F5HxizqswtIBRV1EdTrDd3QmapAAYXictJnBYSbVKOw6xltg%3D%3D%7Ctkp%3ABk9SR7TRwICFZw

2) I take photos of the model I want to enhance, scale them at 1200bps to real size, add the circles and lettering (Photoshop) and print my own on ordinary paper, of the whole of the helo deck, trim to fit, then soak them in matt varnish for an adhesive.