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parallelepiped with D_3d symmetry is known as a trigonal trapezohedron, which has six congruent rhombic faces (also called an isohedral rhombohedron).
*For parallelepipeds with D_2h symmetry, there are two cases:
**Rectangular cuboid: it has six rectangular faces (also called a rectangular parallelepiped, or sometimes simply a cuboid).
**Right rhombic prism:

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