Parallelepiped
Parallelepiped[p, {v1, ..., vk}] represents a parallelepiped with origin p and edge directions vi.
Examples
3D parallelepiped:
Graphics3D[Parallelepiped[{0, 0, 0}, {{1, 0, 0}, {0.5, 1, 0}, {0, 0.5, 1}}]]2D parallelogram:
Graphics[Parallelepiped[{0, 0}, {{1, 0}, {0.5, 1}}]]Please visit the official Wolfram Language Reference for more details.