Features for Creating Geometric Primitives

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Table 3-1 is an overview of the features for creating 3D geometric primitives:

Table 3-1: 3D Geometric Primitives
Name	Description
BezierPolygon	Chain of connected line segments, quadratic or cubic curves
Block	Right-angled parallelepiped (box)
Cone	Right circular cone or cone frustum
CubicBezier	Rational Bézier curve of degree 3
Cylinder	Right circular cylinder
ECone	Oblique cone or cone frustum with elliptic base
Ellipsoid	Ellipsoid
Helix	Helix solid, surface, or curve
Hexahedron	Hexahedron bounded by bilinear faces
LineSegment	Line segment between two vertices or points
ParametricCurve	Curve defined by coordinate expressions
ParametricSurface	Surface defined by coordinate expressions
Point	One or several points
Polygon	Chain of connected line segments
Pyramid	Rectangular pyramid
QuadraticBezier	Rational Bézier curve of degree 2
Sphere	Sphere or ball
Tetrahedron	Tetrahedron
Torus	Torus

Table 3-2 is an overview of the features for creating 2D geometric primitives:

Table 3-2: 2D Geometric Primitives
Name	Description
BezierPolygon	Chain of connected line segments, quadratic or cubic curves
Circle	Circle or disc
CircularArc	Circular arc
CubicBezier	Rational Bézier curve of degree 3
Ellipse	Ellipse
LineSegment	Line segment between two vertices or points
ParametricCurve	Curve defined by coordinate expressions
Point	One or several points
Polygon	Chain of connected line segments
QuadraticBezier	Rational Bézier curve of degree 2
Rectangle	Rectangle
Square	Square

Table 3-3 is an overview of the features for creating 1D geometric primitives:

Table 3-3: 1D Geometric Primitives
Name	Description
Interval	One interval, or a chain of connected intervals
Point	One or several points