ACIS Document
STEP: Step file Format
CS3621 Introduction to Computing with Geometry Notes
Shape Interrogation for Computer Aided Design and Manufacturing
Source Making : Design Patterns and Refactoring
Refactor Guru : Refactoring and Design Patterns
Parasolid Document V13
Parasolid Document V35
IGES Version 5.x
CATIA CAA V5 Document
CATIA CAA API
OpenCascade Document
OpenCascade API