I developed a process of printing/embossing on heavy-gauge aluminum foil with dot matrix printers (sans ribbon). The metal can be coiled into a stainless steel,

I developed a process of printing/embossing on heavy-gauge aluminum foil with dot matrix printers (sans ribbon). The metal can be coiled into a stainless steel, sealed cylinder (a canoptic) and inserted in a deceased's coffin or cremation ashes urn.