I created an embossing machine than would emboss aluminum foil with the scratch marks of a teaspoon. Aluminum foil tends to get a fold rather quickly, doing that for 40m was quite a challenge.
The embossing machine: https://postimg.cc/67wkVGBy
The embossing process as GIF: https://postimg.cc/3W6zSqKx
The embossed aluminum foil as GIF: https://postimg.cc/yDh5NY0D