The Screen Compass allows you to measure the radius, circumference and area of circular or polygonal shapes on your screen simply and quickly. The Screen Compass floats above any other application so you can measure any angle on your screen.
CAD-COMPO 2 is a plug-in software includes "BPT-Pro2" and "EXDXF-Pro2". "BPT-Pro2" is a software to add a highly functional 2D-CAD program into Illustrator. "EXDXF-Pro2" provides that to import CAD standard DXF