スポーンコマンド
or
cheat gfi SwimShirt_Jellyfish 1 0 0
or
cheat giveitem "Blueprint'/Game/PrimalEarth/CoreBlueprints/Items/Armor/Skin/PrimalItemSkin_SummerSwimShirt_Jellyfish.PrimalItemSkin_SummerSwimShirt_Jellyfish'" 1 0 0