diff --git a/3d-printer.ico b/3d-printer.ico
new file mode 100644
index 0000000..98fd517
Binary files /dev/null and b/3d-printer.ico differ
diff --git a/main.py b/main.py
index 16501bf..a3802de 100644
--- a/main.py
+++ b/main.py
@@ -512,5 +512,38 @@ def getPlastics():
 
     return plst
 
+def showAllUsersGui():
+    window = Tk()
+    window.geometry("800x600")
+    window.iconbitmap(default="3d-printer.ico")
+    window.title("Все пользователи системы")
+    
+    lbl1=Label(window,text="Все пользователи системы",font=("",25),fg="#fed9b7",bg="#5D6D7E")
+    lbl1.pack(anchor="center")
+    
+
+    tree = ttk.Treeview(window, column=("FName", "LName", "Roll No"), show='headings', height=5)
+    tree.column("# 1", anchor=CENTER)
+    tree.heading("# 1", text="FName")
+    tree.column("# 2", anchor=CENTER)
+    tree.heading("# 2", text="LName")
+    tree.column("# 3", anchor=CENTER)
+    tree.heading("# 3", text="Roll No")
+
+    # Insert the data in Treeview widget
+    tree.insert('', 'end', text="1", values=('Amit', 'Kumar', '17701'))
+    tree.insert('', 'end', text="1", values=('Ankush', 'Mathur', '17702'))
+    tree.insert('', 'end', text="1", values=('Manisha', 'Joshi', '17703'))
+    tree.insert('', 'end', text="1", values=('Shivam', 'Mehrotra', '17704'))
+
+    tree.pack()
+
+            
+
+
+    mainloop()
+
+
+
 if __name__ == '__main__':
-    addDolgnostGui()
\ No newline at end of file
+    showAllUsersGui()
\ No newline at end of file