o Windows, Unix
o Spatial Corp.: http://www.spatial.com/
o ACIS 3D Toolkits are 3D geometric modeler and deformable modeling tools, including 3D ACIS Modeler (ACIS), 3D Deformable Modeling and Advanced Covering tool，etc.
o These software have been used by software developers for engineering applications including CAD/CAM/CAE, AEC, animation, visualization, and simulation
o Official website: http://www.spatial.com/products/index.html