Land F/X is a software plugin that functions inside AutoCAD that enables you to create beautiful and organized landscape plans and irrigation designs. The magic of Land F/X is that it associates extra data with your dwg files. landfx boxIt works like this: Using Project Files you create a project. That project can then be assigned to several dwg files. Professional-grade software that works seamlessly within AutoCAD. It automates all aspects of Planting, Irrigation, and Hardscape plans with calculation tools, error checking, and content library.