![Image](http://img65.exs.cx/img65/8840/BlowHole1.th.jpg)
![Image](http://img7.exs.cx/img7/6849/BlowHole2.th.jpg)
Used a dremel with reinforced cutting discs and then rounded it, or at least tried to, with a sanding disc... (This goes on until I get my holesaws)
Here is an old speaker I test sprayed with Gun Metal Gray:
![Image](http://img57.exs.cx/img57/1482/OldFan1.th.jpg)
![Image](http://img14.exs.cx/img14/2871/OldFan2.th.jpg)
![Image](http://img6.exs.cx/img6/3269/OldFan3.th.jpg)
![Image](http://img7.exs.cx/img7/5589/OldFan4.th.jpg)
Comments and further ideas welcome and needed....