diff --git a/models.py b/models.py
index 4115c72..10f2098 100644
--- a/models.py
+++ b/models.py
@@ -16,12 +16,20 @@ engine = create_engine('sqlite:///dipl.db', echo=True)
 Base = mapper_registry.generate_base()
 Session = sessionmaker(bind=engine)
 
+class Proshivka(Base):
+    __tablename__ = "Proshivka"
+    id = Column(Integer, primary_key=True)
+    nazvanie = Column(String)
+    versia = Column(String)
+    officialSite = Column(String)
+
+    mboards = relationship("Motherboard")
 
 
-    
 
 
-class Mottherboard(Base):
+
+class Motherboard(Base):
     __tablename__ = "Motherboard"
     id = Column(Integer, primary_key=True)
     nazvanie = Column(String)
@@ -29,9 +37,10 @@ class Mottherboard(Base):
     officialSite = Column(String)
     kolvoDraivers = Column(String)
 
-    printers = relationship('Printer', backref='Motherboard')
-    drv = relationship('MotorDruvers')    
-
+    prshvID = Column(Integer, ForeignKey(Proshivka.id))  
+    printers = relationship("Printer")
+    drv = relationship("MotorDruvers")  
+    
 
 class MotorDruvers(Base):
     __tablename__ ="MotorDruvers"
@@ -40,7 +49,10 @@ class MotorDruvers(Base):
     versia = Column(String)
     workTok = Column(Float)
 
-    mboardID = Column(Integer, ForeignKey(Mottherboard.id)) 
+    mboardID = Column(Integer, ForeignKey(Motherboard.id)) 
+
+
+
    
 
 
@@ -54,8 +66,8 @@ class Printer(Base):
     maxSpedPrint = Column(Integer)
     minSpedPrint = Column(Integer)
 
-    print_settings = relationship("PrintSettings",  backref="Printer")
-    mboard_id = Column(Integer, ForeignKey(Mottherboard.id))
+    print_settings = relationship("PrintSettings")
+    mboard_id = Column(Integer, ForeignKey(Motherboard.id))
 
 
 
@@ -72,7 +84,7 @@ class Plastic(Base):
     maxTempPrint = Column(Integer)
     dateproizv = Column(DateTime)
 
-    print_settings = relationship("PrintSettings",  backref="Plastic")
+    print_settings = relationship("PrintSettings")
 
 
 class PrintSettings(Base):