proekt

/proekt/

Cases

SingularPluralWhen to use it
nominativeproektthe designproektlethe designsthe plain dictionary form — the doer of the sentence
genitiveproektnithe design'sproektlenithe designs'the owner — whose it is
accusativeproektnithe design (as the object)proektlenithe designs (as the object)a specific, known object — whom or what
dativeproektgeto the designproektlegeto the designsdirection or recipient — to where, to whom
locativeproektdeat / in the designproektledeat / in the designswhere it is; also having — mende bar, "I have it"
ablativeproektdenfrom the designproektledenfrom the designswhere it comes from; also "than" when comparing
When to use each case
nominative
the plain dictionary form — the doer of the sentence
genitive
the owner — whose it is
accusative
a specific, known object — whom or what
dative
direction or recipient — to where, to whom
locative
where it is; also having — mende bar, "I have it"
ablative
where it comes from; also "than" when comparing

The endings are the same ones the pronouns wear — that page explains when each case is used.

With an owner

One ownedSeveral owned
myproektimmy designproektlerimmy designs
yourproektingyour designproektleringyour designs
his / herproektihis / her designproektlerihis / her designs
ourproektibizour designproektleribizour designs
you all'sproektigizyou all's designproektlerigizyou all's designs
theirproektleritheir designproektleritheir designs

The overlap in the last rows is real, not a mistake: proektleri can mean "his / her designs", "their design", or "their designs" — context decides.