Stage Research SoftPlot3D

SoftPlot is a graphical design program that makes it easy to drag-and-drop lighting fixtures, trusses, and other elements on the design surface.

With this tool you can take a bird-eye's view and see your design in Plan, Cross Section, and Elevation views to make sure all your sight-lines and focuses are correct.
SoftPlot will also manage your paperwork from gel lists to instrument schedules. With this program, you can also, import and export DXF files and other formats such as Bitmap and JPEG to add backdrops and set pieces.