1988
Invention of the Geometric Inference Engine. While working at Xerox Parc, Martin Newell and Dan Fitzpatrick came up with the idea of the Geometric Inference Engine.
1989
Development of Vellum CAD, a 2D drafting application for the Macintosh and founding of Ashlar Incorporated, Sunnyvale, California.
1992
Development of Vellum 3D wireframe.
1993
Localization of Vellum for various markets.
1994
Porting of Vellum 3D to Windows 3.1.
1995
Support for surfaces.
1996
Porting of Vellum 3D to 32 bit Windows by Cosmoworks, Famotik and Armonicos.
1997
Support for surfaces and volumes extended by Armonicos, Hamamatsu, Japan. Some of this code has been disputed due to copyright issues and was therefore removed from DesignFreeQ.
2000
Vellum GmbH, Miltenberg, derives Draftboard from Vellum 32 bit source code.
2011
Cosmoworks derives the DesignFreeQ App from Shark-Designer’s Japanese version of Vellum 32 bit source code.
2015
Cosmoworks develops AutoCAD DXF/DWG interface.
2018
Cosmoworks ports DesignFreeQ to 64 bit Windows.
2019
Cosmoworks ports DesignFreeQ to 64 bit macOS.
2021
Cosmoworks ports DesignFreeQ to Apple Silicon (M1/M2) on macOS.