Dock.app in Mac OS 10.5 and 10.6 (Leopard and Snow Leopard) have a ugly 2D docks (if you turn off the “fancy” dock when its position at the bottom, or if you position the dock on either side of your screen). They have a thick border and rounded corners that make for an over-sized looking background.

Luckily, these borders are just .png files inside the Dock.app resources, so I’ve sharpened the appearance of the dock by thinning the border and squaring the corners, like so:

modified dock

and to make it easier to do the mod every time i re-install mac os, I’ve put it all in a script:

download: dock-mod.zip