Active Dimensions 3 History
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Version 1.0 Released 07/08/99

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Version 1.5 Released 09/08/99
Changes:

Regular polygons have been replaced with extruded regular polygons. 

One essential category of surfaces, the soft diamond, has been added to allow you to create new shapes that were not possible with version 1.0. 

Arbitrary surface scaling has been added, giving you the ability to create shapes that were not possible with version 1.0. 

Documentation is more thorough. 