A cover for the Sherline mill it’s a must if you wish your mill last. This is the typical “accordion” cover, a very practical solution actually:
Now here’s the leather/delrin cover I actually use. Tough not pretty, a good thing about it is that it allows easy access to X axis lock screw (something that I use a lot).
Now, the next things I need to tackle will be anti-backlash nuts and column mount.