The ACIS includes 35 object-orient dynamic link library (DLL). It provides a lot of functions for 3D modeling and operation to 3D modeling application developer, such as sweep, skin, loft, cover and heal.

• ACIS是面向对象的由35个DLL组成的C++库,为各种3D造型应用开发者提供了丰富的复杂模型构造与操作功能,如过渡、扫掠、蒙皮、放样、覆盖、等距、分割、缝合等。