Modified Gnome Shell Dock Extension

A new modified version of the Gnome Shell dock extension has been made by xeXpanderx that sets the dock to bottom by default.

The original dock extension by gcampax can only be set to left or right edges of the screen.

Download Modified Dock Extension

Install the extension by locating the zip file in Gnome Tweak Tool. Log out and come back for the extension to take effect.