diff --git a/textures.py b/textures.py
index 97f8b51..2713761 100644
--- a/textures.py
+++ b/textures.py
@@ -1529,87 +1529,215 @@ def generate_special_texture(blockID, data, north_direction):
 
 def convert_data(blockID, data, north_direction):
     if blockID == 26: # bed
-        if north_direction == 'upper-right':
-            #Masked to not clobber block head/foot info
+        #Masked to not clobber block head/foot info
+        if north_direction == 'upper-left':
+            if (data & 0b0011) == 0: data = data & 0b1100 | 1
+            elif (data & 0b0011) == 1: data = data & 0b1100 | 2
+            elif (data & 0b0011) == 2: data = data & 0b1100 | 3
+            elif (data & 0b0011) == 3: data = data & 0b1100 | 4
+        elif north_direction == 'upper-right':
             if (data & 0b0011) == 0: data = data & 0b1100 | 2
             elif (data & 0b0011) == 1: data = data & 0b1100 | 3
             elif (data & 0b0011) == 2: data = data & 0b1100 | 0
             elif (data & 0b0011) == 3: data = data & 0b1100 | 1
+        elif north_direction == 'lower-right':
+            if (data & 0b0011) == 0: data = data & 0b1100 | 3
+            elif (data & 0b0011) == 1: data = data & 0b1100 | 0
+            elif (data & 0b0011) == 2: data = data & 0b1100 | 1
+            elif (data & 0b0011) == 3: data = data & 0b1100 | 2
     if blockID in (27, 28, 66): # minetrack:
-        if north_direction == 'upper-right':
-            #Masked to not clobber powered rail on/off info
-            #Ascending
+        #Masked to not clobber powered rail on/off info
+        #Ascending and flat straight
+        if north_direction == 'upper-left':
+            if (data & 0b0111) == 0: data = data & 0b1000 | 1
+            elif (data & 0b0111) == 1: data = data & 0b1000 | 0
+            elif (data & 0b0111) == 2: data = data & 0b1000 | 5
+            elif (data & 0b0111) == 3: data = data & 0b1000 | 4
+            elif (data & 0b0111) == 4: data = data & 0b1000 | 2
+            elif (data & 0b0111) == 5: data = data & 0b1000 | 3
+        elif north_direction == 'upper-right':
             if (data & 0b0111) == 2: data = data & 0b1000 | 3
             elif (data & 0b0111) == 3: data = data & 0b1000 | 2
             elif (data & 0b0111) == 4: data = data & 0b1000 | 5
             elif (data & 0b0111) == 5: data = data & 0b1000 | 4
-    if blockID == 66: #normal minetrack only
-        if north_direction == 'upper-right':
-            #Corners
+        elif north_direction == 'lower-right':
+            if (data & 0b0111) == 0: data = data & 0b1000 | 1
+            elif (data & 0b0111) == 1: data = data & 0b1000 | 0
+            elif (data & 0b0111) == 2: data = data & 0b1000 | 4
+            elif (data & 0b0111) == 3: data = data & 0b1000 | 5
+            elif (data & 0b0111) == 4: data = data & 0b1000 | 3
+            elif (data & 0b0111) == 5: data = data & 0b1000 | 2
+    if blockID == 66: # normal minetrack only
+        #Corners
+        if north_direction == 'upper-left':
+            if data == 6: data = 7
+            elif data == 7: data = 8
+            elif data == 8: data = 6
+            elif data == 9: data = 9
+        elif north_direction == 'upper-right':
             if data == 6: data = 8
             elif data == 7: data = 9
             elif data == 8: data = 6
             elif data == 9: data = 7
+        elif north_direction == 'lower-right':
+            if data == 6: data = 9
+            elif data == 7: data = 6
+            elif data == 8: data = 8
+            elif data == 9: data = 7
     if blockID in (50, 75, 76): # torch, off/on redstone torch
-        if north_direction == 'upper-right':
+        if north_direction == 'upper-left':
+            if data == 1: data = 3
+            elif data == 2: data = 4
+            elif data == 3: data = 2
+            elif data == 4: data = 1
+        elif north_direction == 'upper-right':
             if data == 1: data = 2
             elif data == 2: data = 1
             elif data == 3: data = 4
             elif data == 4: data = 3
+        elif north_direction == 'lower-right':
+            if data == 1: data = 4
+            elif data == 2: data = 3
+            elif data == 3: data = 1
+            elif data == 4: data = 2
     if blockID in (53,67): # wooden and cobblestone stairs.
-        if north_direction == 'upper-right':
+        if north_direction == 'upper-left':
+            if data == 0: data = 2
+            elif data == 1: data = 3
+            elif data == 2: data = 1
+            elif data == 3: data = 0
+        elif north_direction == 'upper-right':
             if data == 0: data = 1
             elif data == 1: data = 0
             elif data == 2: data = 3
             elif data == 3: data = 2
+        elif north_direction == 'lower-right':
+            if data == 0: data = 3
+            elif data == 1: data = 2
+            elif data == 2: data = 0
+            elif data == 3: data = 1
     if blockID in (61, 62, 23): # furnace and burning furnace
-        if north_direction == 'upper-right':
+        if north_direction == 'upper-left':
+            if data == 2: data = 5
+            elif data == 3: data = 4
+            elif data == 4: data = 2
+            elif data == 5: data = 3
+        elif north_direction == 'upper-right':
             if data == 2: data = 3
             elif data == 3: data = 2
             elif data == 4: data = 5
             elif data == 5: data = 4
+        elif north_direction == 'lower-right':
+            if data == 2: data = 4
+            elif data == 3: data = 5
+            elif data == 4: data = 3
+            elif data == 5: data = 2
     if blockID == 63: # signposts
-        if north_direction == 'upper-right':
+        if north_direction == 'upper-left':
+            data = (data + 4) % 16
+        elif north_direction == 'upper-right':
             data = (data + 8) % 16
-    if blockID in (64,71): # wooden door, or iron door
-        if north_direction == 'upper-right':
-            #Masked to not clobber block top/bottom & swung info
+        elif north_direction == 'lower-right':
+            data = (data + 12) % 16
+    if blockID in (64,71): # wooden/iron door
+        #Masked to not clobber block top/bottom & swung info
+        if north_direction == 'upper-left':
+            if (data & 0b0011) == 0: data = data & 0b1100 | 1
+            elif (data & 0b0011) == 1: data = data & 0b1100 | 2
+            elif (data & 0b0011) == 2: data = data & 0b1100 | 3
+            elif (data & 0b0011) == 3: data = data & 0b1100 | 0
+        elif north_direction == 'upper-right':
             if (data & 0b0011) == 0: data = data & 0b1100 | 2
             elif (data & 0b0011) == 1: data = data & 0b1100 | 3
             elif (data & 0b0011) == 2: data = data & 0b1100 | 0
             elif (data & 0b0011) == 3: data = data & 0b1100 | 1
+        elif north_direction == 'lower-right':
+            if (data & 0b0011) == 0: data = data & 0b1100 | 3
+            elif (data & 0b0011) == 1: data = data & 0b1100 | 0
+            elif (data & 0b0011) == 2: data = data & 0b1100 | 1
+            elif (data & 0b0011) == 3: data = data & 0b1100 | 2
     if blockID == 65: # ladder
-        if north_direction == 'upper-right':
+        if north_direction == 'upper-left':
+            if data == 2: data = 5
+            elif data == 3: data = 4
+            elif data == 4: data = 2
+            elif data == 5: data = 3
+        elif north_direction == 'upper-right':
             if data == 2: data = 3
             elif data == 3: data = 2
             elif data == 4: data = 5
             elif data == 5: data = 4
+        elif north_direction == 'lower-right':
+            if data == 2: data = 4
+            elif data == 3: data = 5
+            elif data == 4: data = 3
+            elif data == 5: data = 2
     if blockID == 68: # wall sign
-        if north_direction == 'upper-right':
+        if north_direction == 'upper-left':
+            if data == 2: data = 5
+            elif data == 3: data = 4
+            elif data == 4: data = 2
+            elif data == 5: data = 3
+        elif north_direction == 'upper-right':
             if data == 2: data = 3
             elif data == 3: data = 2
             elif data == 4: data = 5
             elif data == 5: data = 4
+        elif north_direction == 'lower-right':
+            if data == 2: data = 4
+            elif data == 3: data = 5
+            elif data == 4: data = 3
+            elif data == 5: data = 2
     if blockID in (86,91): # pumpkins, jack-o-lantern
-        if north_direction == 'upper-right':
+        if north_direction == 'upper-left':
+            if data == 0: data = 1
+            elif data == 1: data = 2
+            elif data == 2: data = 3
+            elif data == 3: data = 0
+        elif north_direction == 'upper-right':
             if data == 0: data = 2
             elif data == 1: data = 3
             elif data == 2: data = 0
             elif data == 3: data = 1
+        elif north_direction == 'lower-right':
+            if data == 0: data = 3
+            elif data == 1: data = 0
+            elif data == 2: data = 1
+            elif data == 3: data = 2
     if blockID in (93, 94): # redstone repeaters, ON and OFF
-        if north_direction == 'upper-right':
-            #Masked to not clobber delay info
+        #Masked to not clobber delay info
+        if north_direction == 'upper-left':
+            if (data & 0b0011) == 0: data = data & 0b1100 | 1
+            elif (data & 0b0011) == 1: data = data & 0b1100 | 2
+            elif (data & 0b0011) == 2: data = data & 0b1100 | 3
+            elif (data & 0b0011) == 3: data = data & 0b1100 | 0
+        elif north_direction == 'upper-right':
             if (data & 0b0011) == 0: data = data & 0b1100 | 2
             elif (data & 0b0011) == 1: data = data & 0b1100 | 3
             elif (data & 0b0011) == 2: data = data & 0b1100 | 0
             elif (data & 0b0011) == 3: data = data & 0b1100 | 1
+        elif north_direction == 'lower-right':
+            if (data & 0b0011) == 0: data = data & 0b1100 | 3
+            elif (data & 0b0011) == 1: data = data & 0b1100 | 0
+            elif (data & 0b0011) == 2: data = data & 0b1100 | 1
+            elif (data & 0b0011) == 3: data = data & 0b1100 | 2
     if blockID == 96: # trapdoor
-        if north_direction == 'upper-right':
-            #Masked to not clobber opened/closed info
+        #Masked to not clobber opened/closed info
+        if north_direction == 'upper-left':
+            if (data & 0b0011) == 0: data = data & 0b1100 | 2
+            elif (data & 0b0011) == 1: data = data & 0b1100 | 3
+            elif (data & 0b0011) == 2: data = data & 0b1100 | 0
+            elif (data & 0b0011) == 3: data = data & 0b1100 | 1
+        elif north_direction == 'upper-right':
             if (data & 0b0011) == 0: data = data & 0b1100 | 1
             elif (data & 0b0011) == 1: data = data & 0b1100 | 0
             elif (data & 0b0011) == 2: data = data & 0b1100 | 3
             elif (data & 0b0011) == 3: data = data & 0b1100 | 2
+        elif north_direction == 'lower-right':
+            if (data & 0b0011) == 0: data = data & 0b1100 | 3
+            elif (data & 0b0011) == 1: data = data & 0b1100 | 2
+            elif (data & 0b0011) == 2: data = data & 0b1100 | 1
+            elif (data & 0b0011) == 3: data = data & 0b1100 | 0
 
     return data