Ashlar Vellum (1990) 0 Graphics Engineering MacOS

Ashlar Vellum is a CAD package for mechanical engineers and designers, that includes the ability to intelligently predict where the user wants to connect the next object. There were both "2D" and "3D" versions.

• 2.x (Mac)

IBM Architecture And Engineering Series (1989) 2 Engineering Unix

The IBM Architecture and Engineering Series (AES) is a complete, high end, integrated, 3D drafting and information system. Developed by the firm of Skidmore, Owings and Merrill (SOM) for IBM, this 3D Computer Aided Design system meets the needs of architects, engineers, and builders.

• 1.x

MacDraft (1987) 0 Graphics Engineering MacOS

MacDraft is a powerful but easy to use 2D object oriented drawing environment. Supports auto dimensioning, area calculation, rotation, cursor position indicator, and much more while maintaining an appearance similar to Mac Draw. The product was targeted at users that only occasionally used a CAD program.

• 1.x