PIPER-LT is a unique, stand-alone product, which operates either
in AutoCAD or in DOS. If you call PIPER-LT from DOS, you will
extract one or more .DXF files, representing the fitting types
contained in the .DLB (Drawing LiBrary) files. The .DXF files will
be placed either in the PIPER-LT directory, or in your current
If you are operating from AutoCAD, the vector image will be
brought into AutoCAD immediately as a block, which you can then
place, scale, rotate, etc.