4.2 Object File Formats

• QUAD: List of quadrilaterals.
• MESH: Rectangularly-connected mesh.
• BBOX: Simple bounding-boxes.
• BBP and BEZ: List of Bezier surface patches.
• OFF: Polyhedra: polygons with shared vertices.
• VECT: List of points and lines.
• SKEL: List of points and lines, with shared vertices.
• SPHERE: Sphere
• INST: Transformed Instance of another object.
• LIST: List of other objects.
• TLIST: Collection of 4x4 transformation matrices.
• GROUP: Obsolete format for collections of objects.
• DISCGRP: Discrete Group objects.
• COMMENT: Comment object, for caching information.