If I were to ask you what to do with coffee grounds, what would be the first thing that would come to your mind? Probably not furniture, right? Well Raul Lauri has a collection of lamps and tableware "Decafé" made from heat and pressure-treated coffee grounds.
See more about it in an article by Mila Kiss from Trendhunter here and on core.77 here.
You will be looking at your coffee a different way.