CorelCAD (Old Version) Be productive immediately in an environment filled with industry-standard features and tools. Communicate your ideas with precision using customizable 2D and 3D design tools. Innovative features like VoiceNotes let you add messages and instructions in your drawing, and CorelDRAW and Corel DESIGNER compatibility (Windows version only) enhance collaboration. Plus, CorelCAD is built for both Windows and Mac OS, so it delivers impressive speed and performance on the platform of your choice.