DesignCAD 2D/3D works with system software version 7.0 except on the
Macintosh Plus, Macintosh SE, and Macintosh Portable. On these Macintosh
models, DesignCAD 2D/3D fails to recognize the presence of 32-bit
QuickDraw, which is built into version 7.0, and gives the user a message to
install 32-bit QuickDraw.
At this time, there is no known workaround.
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the Tech Info Library search window, then opening the "Third Party Company
Directory" folder.