diff --git a/boxes/generators/notesholder.py b/boxes/generators/notesholder.py
index 5bfb72e..7363a69 100644
--- a/boxes/generators/notesholder.py
+++ b/boxes/generators/notesholder.py
@@ -81,18 +81,23 @@ class NotesHolder(Boxes):
             b2 = b
 
         with self.saved_context():
-            self.rectangularWall(y, h, [b, "F", "e", "F"], move="right")
+            self.rectangularWall(y, h, [b, "F", "e", "F"],
+                                 ignore_widths=[1, 6], move="right")
             if self.opening == 0.0:
-                self.rectangularWall(x, h, [b, "f", "e", "f"], move="right")
+                self.rectangularWall(x, h, [b, "f", "e", "f"],
+                                     ignore_widths=[1, 6], move="right")
             else:
-                self.rectangularWall(sides, h, [b2, "e", "e", "f"], move="right")
-                self.rectangularWall(sides, h, [b2, "e", "e", "f"], move="right mirror")
+                self.rectangularWall(sides, h, [b2, "e", "e", "f"],
+                                     ignore_widths=[1, 6], move="right")
+                self.rectangularWall(sides, h, [b2, "e", "e", "f"],
+                                     ignore_widths=[1, 6], move="right mirror")
 
-        self.rectangularWall(x, h, [b, "F", "e", "F"], move="up only")
+        self.rectangularWall(x, h, [b, "F", "e", "F"],
+                             ignore_widths=[1, 6], move="up only")
 
         with self.saved_context():
-            self.rectangularWall(y, h, [b, "F", "e", "F"], move="right")
-            self.rectangularWall(x, h, [b, "f", "e", "f"], move="right")
+            self.rectangularWall(y, h, [b, "F", "e", "F"], ignore_widths=[1, 6], move="right")
+            self.rectangularWall(x, h, [b, "f", "e", "f"], ignore_widths=[1, 6], move="right")
         self.rectangularWall(y, h, [b, "F", "e", "F"], move="up only")
 
         if self.bottom_edge != "e":
diff --git a/boxes/generators/typetray.py b/boxes/generators/typetray.py
index 36f254f..8b857e5 100644
--- a/boxes/generators/typetray.py
+++ b/boxes/generators/typetray.py
@@ -99,8 +99,10 @@ class TypeTray(_TopEdge):
         self.ctx.save()
 
         # outer walls
-        self.rectangularWall(x, h, [b, "F", t1, "F"], callback=[self.xHoles, None, self.gripHole],  move="up")
-        self.rectangularWall(x, h, [b, "F", t3, "F"], callback=[self.mirrorX(self.xHoles, x), ], move="up")
+        self.rectangularWall(x, h, [b, "F", t1, "F"], callback=[self.xHoles, None, self.gripHole],
+                             ignore_widths=[1, 6], move="up")
+        self.rectangularWall(x, h, [b, "F", t3, "F"], callback=[self.mirrorX(self.xHoles, x), ],
+                             ignore_widths=[1, 6], move="up")
 
         # floor
         if b != "e":
@@ -134,8 +136,10 @@ class TypeTray(_TopEdge):
         # y walls
 
         # outer walls
-        self.rectangularWall(y, h, [b, "f", t2, "f"], callback=[self.yHoles, ], move="up")
-        self.rectangularWall(y, h, [b, "f", t4, "f"], callback=[self.mirrorX(self.yHoles, y), ], move="up")
+        self.rectangularWall(y, h, [b, "f", t2, "f"], callback=[self.yHoles, ],
+                             ignore_widths=[1, 6], move="up")
+        self.rectangularWall(y, h, [b, "f", t4, "f"], callback=[self.mirrorX(self.yHoles, y), ],
+                             ignore_widths=[1, 6], move="up")
 
         # inner walls
         for i in range(len(self.sx) - 1):
diff --git a/boxes/generators/universalbox.py b/boxes/generators/universalbox.py
index 2964300..c8b3aa3 100644
--- a/boxes/generators/universalbox.py
+++ b/boxes/generators/universalbox.py
@@ -68,8 +68,10 @@ class UniversalBox(_TopEdge, _ChestLid):
 
         with self.saved_context():
             self.rectangularWall(x, h, [b, "F", t1, "F"],
+                                 ignore_widths=[1, 6],
                                  bedBolts=[d2], move="up")
             self.rectangularWall(x, h, [b, "F", t3, "F"],
+                                 ignore_widths=[1, 6],
                                  bedBolts=[d2], move="up")
 
             if self.bottom_edge != "e":
@@ -83,10 +85,13 @@ class UniversalBox(_TopEdge, _ChestLid):
             self.drawAddOnLid(x, y, self.lid)
 
         self.rectangularWall(x, h, [b, "F", t3, "F"],
+                             ignore_widths=[1, 6],
                              bedBolts=[d2], move="right only")
         self.rectangularWall(y, h, [b, "f", t2, "f"],
+                             ignore_widths=[1, 6],
                              bedBolts=[d3], move="up")
         self.rectangularWall(y, h, [b, "f", t4, "f"],
+                             ignore_widths=[1, 6],
                              bedBolts=[d3], move="up")