diff --git a/src/main/java/com/ieslamar/GestionInventario/DataInitializer.java b/src/main/java/com/ieslamar/GestionInventario/DataInitializer.java
index 3cdc33b..dc1ce8e 100644
--- a/src/main/java/com/ieslamar/GestionInventario/DataInitializer.java
+++ b/src/main/java/com/ieslamar/GestionInventario/DataInitializer.java
@@ -18,3 +18,4 @@ public class DataInitializer {
 //    }
 }
 
+
diff --git a/src/main/java/com/ieslamar/GestionInventario/entities/Factura.java b/src/main/java/com/ieslamar/GestionInventario/entities/Factura.java
new file mode 100644
index 0000000..2b32bde
--- /dev/null
+++ b/src/main/java/com/ieslamar/GestionInventario/entities/Factura.java
@@ -0,0 +1,42 @@
+package com.ieslamar.GestionInventario.entities;
+
+import jakarta.persistence.*;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.Setter;
+
+import java.time.LocalDate;
+
+@Entity
+@Table(name = "factura")
+@Getter
+@Setter
+@NoArgsConstructor
+@AllArgsConstructor
+public class Factura {
+
+    @Id
+    @Column(name = "idfactura")
+    private Integer id;
+    @Column
+    private byte[] foto;
+
+    @Column(nullable = false)
+    private LocalDate fecha;
+
+    @Column(name = "fin_garantia",nullable = false)
+    private LocalDate fechaGarantia;
+
+    @Column(nullable = false)
+    private Double importe;
+
+    @Column(nullable = false)
+    private String numero;
+
+    @ManyToOne
+    @JoinColumn(name = "proveedores_idproveedores")
+    private Proveedor proveedor;
+
+
+}
\ No newline at end of file
diff --git a/src/main/java/com/ieslamar/GestionInventario/entities/Item.java b/src/main/java/com/ieslamar/GestionInventario/entities/Item.java
index 4d4548f..1b6dd1f 100644
--- a/src/main/java/com/ieslamar/GestionInventario/entities/Item.java
+++ b/src/main/java/com/ieslamar/GestionInventario/entities/Item.java
@@ -42,4 +42,9 @@ public class Item {
 
     @OneToMany(mappedBy = "item")
     private List<Valor> valores;
+
+    @ManyToOne
+    @JoinColumn(name = "factura_idfactura")
+    private Factura factura;
+
 }
\ No newline at end of file
diff --git a/src/main/java/com/ieslamar/GestionInventario/entities/Proveedor.java b/src/main/java/com/ieslamar/GestionInventario/entities/Proveedor.java
new file mode 100644
index 0000000..e4e0493
--- /dev/null
+++ b/src/main/java/com/ieslamar/GestionInventario/entities/Proveedor.java
@@ -0,0 +1,29 @@
+package com.ieslamar.GestionInventario.entities;
+
+import jakarta.persistence.*;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.Setter;
+
+import java.util.List;
+
+@Entity
+@Table(name = "proveedores")  // Nombre de la tabla en MySQL
+@Getter
+@Setter
+@NoArgsConstructor
+@AllArgsConstructor
+public class Proveedor {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    @Column(name = "idproveedores")
+    private Integer id;
+
+    @Column(nullable = false)
+    private String nombre;
+
+    @OneToMany(mappedBy = "proveedor")
+    private List<Factura> facturas;
+
+}
diff --git a/src/main/resources/db/Inventario_bueno_v1.sql b/src/main/resources/db/Inventario_bueno_v1.sql
index 2d5dc47..cb57562 100644
--- a/src/main/resources/db/Inventario_bueno_v1.sql
+++ b/src/main/resources/db/Inventario_bueno_v1.sql
@@ -141,6 +141,41 @@ CREATE TABLE IF NOT EXISTS `inventario`.`producto` (
 ENGINE = InnoDB;
 
 
+-- -----------------------------------------------------
+-- Table `inventario`.`proveedores`
+-- -----------------------------------------------------
+DROP TABLE IF EXISTS `inventario`.`proveedores` ;
+
+CREATE TABLE IF NOT EXISTS `inventario`.`proveedores` (
+  `idproveedores` INT NOT NULL,
+  `nombre` VARCHAR(45) NOT NULL,
+  PRIMARY KEY (`idproveedores`))
+ENGINE = InnoDB;
+
+
+-- -----------------------------------------------------
+-- Table `inventario`.`factura`
+-- -----------------------------------------------------
+DROP TABLE IF EXISTS `inventario`.`factura` ;
+
+CREATE TABLE IF NOT EXISTS `inventario`.`factura` (
+  `idfactura` INT NOT NULL,
+  `foto` LONGBLOB NULL,
+  `fecha` DATE NOT NULL,
+  `fin_garantia` DATE NOT NULL,
+  `importe` DOUBLE NOT NULL,
+  `numero` VARCHAR(45) NOT NULL,
+  `proveedores_idproveedores` INT NOT NULL,
+  PRIMARY KEY (`idfactura`),
+  INDEX `fk_factura_proveedores1_idx` (`proveedores_idproveedores` ASC) VISIBLE,
+  CONSTRAINT `fk_factura_proveedores1`
+    FOREIGN KEY (`proveedores_idproveedores`)
+    REFERENCES `inventario`.`proveedores` (`idproveedores`)
+    ON DELETE NO ACTION
+    ON UPDATE NO ACTION)
+ENGINE = InnoDB;
+
+
 -- -----------------------------------------------------
 -- Table `inventario`.`item`
 -- -----------------------------------------------------
@@ -153,10 +188,12 @@ CREATE TABLE IF NOT EXISTS `inventario`.`item` (
   `users_id` BIGINT NOT NULL,
   `ubicacion_idubicacion` INT NOT NULL,
   `producto_idproducto` INT NOT NULL,
+  `factura_idfactura` INT NOT NULL,
   PRIMARY KEY (`iditem`),
   INDEX `fk_item_users1_idx` (`users_id` ASC) VISIBLE,
   INDEX `fk_item_ubicacion1_idx` (`ubicacion_idubicacion` ASC) VISIBLE,
   INDEX `fk_item_producto1_idx` (`producto_idproducto` ASC) VISIBLE,
+  INDEX `fk_item_factura1_idx` (`factura_idfactura` ASC) VISIBLE,
   CONSTRAINT `fk_item_users1`
     FOREIGN KEY (`users_id`)
     REFERENCES `inventario`.`users` (`id`)
@@ -171,6 +208,11 @@ CREATE TABLE IF NOT EXISTS `inventario`.`item` (
     FOREIGN KEY (`producto_idproducto`)
     REFERENCES `inventario`.`producto` (`idproducto`)
     ON DELETE NO ACTION
+    ON UPDATE NO ACTION,
+  CONSTRAINT `fk_item_factura1`
+    FOREIGN KEY (`factura_idfactura`)
+    REFERENCES `inventario`.`factura` (`idfactura`)
+    ON DELETE NO ACTION
     ON UPDATE NO ACTION)
 ENGINE = InnoDB;
 
diff --git a/src/main/resources/db/Modelo_Inventario.mwb b/src/main/resources/db/Modelo_Inventario.mwb
index 047425c..146d70a 100644
Binary files a/src/main/resources/db/Modelo_Inventario.mwb and b/src/main/resources/db/Modelo_Inventario.mwb differ