Who hasn’t bought a Glade Plug-in or a little Airwick aerosol spritzer in their lifetime? Air fresheners used to be a staple on my shopping list. After all, they never seem to last that long and constantly need replacing.

However, as a big proponent of “Reduce, Reuse, Recycle,” I always hated that there was a lot of waste with store-bought air-fresheners. For example, there’s the original packaging, and that then there’s the container once the air freshener is used up.

Recently, I read a sobering article regarding all the harmful chemicals air fresheners contain, such as formaldehyde, petrochemicals, p-dichlorobenzene and aerosol pollutants. Well, that was the last straw–I vowed to come up with an eco-friendly DIY alternative. All I needed was some paper and coffee grounds!

I’ve always been a big fan of paper-folding (aka “origami”), and I’ve probably folded thousands of these “paper cups” in my lifetime–they are just…