Update README.md

STL Files/README.md

@@ -36,3 +36,6 @@ For use with a 80x10 or 80x25 fan.  Fan will mount on top of the cover as there'
 
 ## Base Cover Left 60mm Fan
 This screws into the top of the base to cover it using M3x8 screws.
+
+## Base Cover Right 80mm Fan
+Added 80mm Fan Version of Base Cover Right.