ARRIS CAD is an architectural CAD system developed and marketed by Sigma Design International. of Alexandria, Louisiana. It was originally developed as SigmaGraphics in 1978. It was originally developed and released on a Z80 microprocessor, which made it the first micro-processor based CAD system, and was later ported to and M68000 and Unix. SigmaGraphics was renamed to ARRIS in 1984. It was ported to Microsoft Windows in 1994 and has since largely remained unchanged, relying on outdated Unix ideals rather than making use of modern operating system technologies.

ARRIS CAD itself is an architectural CAD system - noted for its very temperamental and unusual user interface and command system, and its user applications language - SIGMAC.

ARRIS CAD is also the base system for Builder's CAD - a CAD tool designed for Builders. It includes Automated Drafting, Instant Elevations, Instant Sections, Instant 3-D, Instant Framing, Instant Cut Lists, Instant Takeoffs, Parametric Design Tools.

Features

• ARRIS CAD maintains the data for each layer in a separate disk file. This allows multiple users to edit a single database
• ARRIS CAD imports and exports SketchUp
  SketchUp
  SketchUp is a 3D modeling program marketed by Google and designed for architectural, civil, and mechanical engineers as well as filmmakers, game developers,...
  
  models to augment its 3D capabilities.
• ARRIS CAD imports and exports 2D and 3D geometry to Autocad .dwg format.

Releases

• The latest release is 9.4 released in 2009.
• Release 8.0 introduced a floating point database
• The first release was made in 1987 when SigmaGraphics was renamed to ARRIS.

External links

• ARRIS CAD Web Page
• Sigma/ARRIS Wiki
• BuildersCAD Web Page