diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..b0c5e4f
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+
+cornwall.json
diff --git a/sandwich.json b/sandwich.json
index 23d7a80..9b96c3e 100644
--- a/sandwich.json
+++ b/sandwich.json
@@ -9,7 +9,7 @@
     ]
   },
   "scales": [
-    2.1214416,
+    245.720963,
     1.0,
     1.0,
     1.0
@@ -20,9 +20,9 @@
     {
       "type": "Point",
       "coordinates": [
-        1.3794082461440917,
-        51.290073739743114,
-        86.9376220703125
+        1.3866916954072586,
+        51.303618657336109,
+        466.53921508789063
       ]
     },
     {