Paintball Field Builder is a (3D) software application that allows paintball field owners and players the ability to quickly and easily design paintball fields. This software gives the average field owner the ability to view, save and print a professional 3d rendering of there field layout in seconds. It features an easy to use interface for placing and manipulating 3D bunkers and other objects in real-time. A grid for accurate placement of bunkers can be toggled on or off as required. The flexible design of the software allows you to load custom Paintball Field Kits, such as new bunkers, netting, starting places, netting, trees, chrono, that are not included in the default Paintball Field Kit. The first person feature of the software allows tournament paintball players the ability to virtually walk through a paintball field where they can evaluate angles and strategies. Version 1.0.1 has fixed saving and loading bug.