2020 Cardboard clip

Simple clip for attaching sheets of cardboard or corrugated plastic to the outside of any frame made with 2020 extrusions.

The thing I remixed it from are clips for the inside of the frame (so the clips don't show), and you can use a screw to attach the board to the clip.

You only need 3 per side, but you can make 4, 2 for bottom and 1 on top. These are meant to be shown and used on any side. They don't create a perfect seal, so you would need some foam tape or window seal tape on your c