diff --git a/src/tools/grid.py b/src/tools/grid.py
index 0cd5fef..777c300 100644
--- a/src/tools/grid.py
+++ b/src/tools/grid.py
@@ -204,15 +204,18 @@ class Grid:
     def isCorner(self, pos: Coordinate) -> bool:
         return pos in self.getCorners()
 
-    def isWithinBoundaries(self, pos: Coordinate) -> bool:
+    def isWithinBoundaries(self, pos: Coordinate, pad: int = 0) -> bool:
         if self.mode3D:
             return (
-                self.minX <= pos.x <= self.maxX
-                and self.minY <= pos.y <= self.maxY
-                and self.minZ <= pos.z <= self.maxZ
+                self.minX + pad <= pos.x <= self.maxX - pad
+                and self.minY + pad <= pos.y <= self.maxY - pad
+                and self.minZ + pad <= pos.z <= self.maxZ - pad
             )
         else:
-            return self.minX <= pos.x <= self.maxX and self.minY <= pos.y <= self.maxY
+            return (
+                self.minX + pad <= pos.x <= self.maxX - pad
+                and self.minY + pad <= pos.y <= self.maxY - pad
+            )
 
     def getActiveCells(
         self, x: int = None, y: int = None, z: int = None