Retro Video Game Cartridge Cleaner

I have a large collection of vintage video games that I am constantly sorting, testing, selling, buying, etc. The one constant for these games is that they need routine cleaning to be playable. I have used numerous vintage cleaning tools, and over the years have worked to perfect my own. 3d Printing has finally allowed me to make what I think is the quickest most efficient tool to clean cartridges of loose dirt and keep them working in tip top shape.

Enjoy. After printing these I add felt in