<Table> <Tr> <Th_colspan="2"> n - fusil </Th> </Tr> <Tr> <Td_colspan="2"> Example: 3 - fusil </Td> </Tr> <Tr> <Td> Facets </Td> <Td> </Td> </Tr> <Tr> <Td> Vertices </Td> <Td> 2n </Td> </Tr> <Tr> <Td> Schläfli symbol </Td> <Td> () + () +...+ () </Td> </Tr> <Tr> <Td> Coxeter - Dynkin diagram </Td> <Td>... </Td> </Tr> <Tr> <Td> Symmetry group </Td> <Td> (2), order 2 </Td> </Tr> <Tr> <Td> Dual </Td> <Td> n - orthotope </Td> </Tr> <Tr> <Td> Properties </Td> <Td> convex, isotopal </Td> </Tr> </Table> <Tr> <Th_colspan="2"> n - fusil </Th> </Tr> <Tr> <Td_colspan="2"> Example: 3 - fusil </Td> </Tr> <Tr> <Td> Facets </Td> <Td> </Td> </Tr>

What is the name of a 3d rectangle