| Plastmatrix | Nominativ, Singular | nominative case, singular | |
| Plastmatrixe | Genitiv, Singular | genitive case, singular | |
| Plastmatrixen | Dativ, Singular | dative case, singular | |
| Plastmatrix(e)s | Akkusativ, Singular | accusative case, singular | |
| Plastmatrixer | Nominativ, Plural | nominative case, plural | |
| Plastmatrixern | Genitiv, Plural | genitive case, plural | |
| Plastmatrixn | Dativ, Plural | dative case, plural |