| Euclidean3D | 
 This class implements a three-dimensional space. 
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| FieldLine | 
 The class represent lines in a three dimensional space. 
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| FieldRotation | 
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| FieldVector3D | 
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| Line | 
 The class represent lines in a three dimensional space. 
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| Plane | 
 The class represent planes in a three dimensional space. 
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| PolyhedronsSet | 
 This class represents a 3D region: a set of polyhedrons. 
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| PolyhedronsSet.BRep | 
 Container for Boundary REPresentation (B-Rep). 
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| Rotation | 
 This class implements rotations in a three-dimensional space. 
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| RotationConvention | 
 This enumerates is used to differentiate the semantics of a rotation. 
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| RotationOrder | 
 This class is a utility representing a rotation order specification
 for Cardan or Euler angles specification. 
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| Segment | 
 Simple container for a two-points segment. 
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| SubLine | 
This class represents a subset of a  Line.  
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| SubPlane | 
This class represents a sub-hyperplane for  Plane.  
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| Vector3D | 
 This class implements vectors in a three-dimensional space. 
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| Vector3DFormat | 
 Formats a 3D vector in components list format "{x; y; z}". 
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