diff --git a/RVC3/models/IBVS-arm-main.py b/RVC3/models/IBVS-arm-main.py
index 8bbd30f..192a7d1 100755
--- a/RVC3/models/IBVS-arm-main.py
+++ b/RVC3/models/IBVS-arm-main.py
@@ -7,7 +7,9 @@
 """
 
 from pathlib import Path
+import numpy as np
 from machinevisiontoolbox import *
+from machinevisiontoolbox.base import mkgrid
 from roboticstoolbox import *
 from math import pi
 
diff --git a/RVC3/models/IBVS-holonomic-main.py b/RVC3/models/IBVS-holonomic-main.py
index 7e94172..5cf8a92 100755
--- a/RVC3/models/IBVS-holonomic-main.py
+++ b/RVC3/models/IBVS-holonomic-main.py
@@ -7,6 +7,7 @@
 """
 
 from pathlib import Path
+import numpy as np
 from machinevisiontoolbox import *
 from roboticstoolbox import *
 
diff --git a/RVC3/models/IBVS-main.py b/RVC3/models/IBVS-main.py
index 0af4cf5..8da44a1 100755
--- a/RVC3/models/IBVS-main.py
+++ b/RVC3/models/IBVS-main.py
@@ -1,5 +1,7 @@
 from pathlib import Path
+import numpy as np
 from machinevisiontoolbox import *
+from machinevisiontoolbox.base import mkgrid
 from bdsim import Clock, bdload, BDSim
 from spatialmath import SE3
 import matplotlib.pyplot as plt
diff --git a/RVC3/models/IBVS-nonholonomic-main.py b/RVC3/models/IBVS-nonholonomic-main.py
index b5567f9..dc745a6 100755
--- a/RVC3/models/IBVS-nonholonomic-main.py
+++ b/RVC3/models/IBVS-nonholonomic-main.py
@@ -7,6 +7,7 @@
 """
 
 from pathlib import Path
+import numpy as np
 from machinevisiontoolbox import *
 from roboticstoolbox import *
 
diff --git a/RVC3/models/IBVS-partitioned-main.py b/RVC3/models/IBVS-partitioned-main.py
index 07f8b67..a295062 100755
--- a/RVC3/models/IBVS-partitioned-main.py
+++ b/RVC3/models/IBVS-partitioned-main.py
@@ -1,7 +1,9 @@
 #! /usr/bin/env python
 
 from pathlib import Path
+import numpy as np
 from machinevisiontoolbox import *
+from machinevisiontoolbox.base import mkgrid
 from bdsim import Clock, bdload, BDSim
 from spatialmath import SE3, Polygon2
 from spatialmath.base import angdiff
diff --git a/RVC3/models/IBVS-quadrotor-main.py b/RVC3/models/IBVS-quadrotor-main.py
index b492529..b22d3b8 100755
--- a/RVC3/models/IBVS-quadrotor-main.py
+++ b/RVC3/models/IBVS-quadrotor-main.py
@@ -8,7 +8,9 @@
 
 from pathlib import Path
 from enum import IntEnum
+import numpy as np
 from machinevisiontoolbox import *
+from machinevisiontoolbox.base import mkgrid
 from bdsim import Clock, bdload, BDSim
 from spatialmath import SE3
 import matplotlib.pyplot as plt