"The Spill" is set of coasters deigned to resemble spilled liquid, they're made using 3D printing and comes in set of 5
https://www.etsy.com/de-en/listing/1664252076/the-spill?ga_order=most_relevant&ga_search_type=all&ga_view_type=gallery&ga_search_query=the+spill+coasters&ref=sr_gallery-1-1&search_preloaded_img=1&organic_search_click=1
