3in Laser Exhaust Cover

This exhaust cover was created to keep snow and bugs from getting into my laser's air system. Also, it helps me keep the lab insulated so I don't waste energy heating up cold air blowing in through the laser in the winter, or cooling down hot air in the summer.

To make the design, you'll need some 1/16" (1.5mm) steel rod (I used welding filler rod), one copy of the baffle frame, and three copies of the blades. You'll also need some metal tape to make sure the blades stay in even when the weat