diff --git a/cameo/README b/cameo/README
index 0af9613..4d8ce38 100644
--- a/cameo/README
+++ b/cameo/README
@@ -137,7 +137,7 @@ better to use it only with "clean".)
 Vertical adjustment:
 
   z [<z0>] <z0-pos>
-  
+
 
 Tool compensation:
 
@@ -174,6 +174,13 @@ If the current paths have different Z coordinates, each level is
 processed separately.
 
 
+Path reversal:
+
+  reverse
+
+Reverses all paths. This can be used to reverse tool direction.
+
+
 Drill/mill conversion:
 
   drill <min-diameter> <max-diameter>
diff --git a/cameo/lang.l b/cameo/lang.l
index 361588c..9c64ff8 100644
--- a/cameo/lang.l
+++ b/cameo/lang.l
@@ -50,6 +50,7 @@ NUM	-?[0-9]+\.?[0-9]*
 <INITIAL>optimize		return TOK_OPTIMIZE;
 <INITIAL>remainder		return TOK_REMAINDER;
 <INITIAL>reset			return TOK_RESET;
+<INITIAL>reverse		return TOK_REVERSE;
 <INITIAL>rotate			return TOK_ROTATE;
 <INITIAL>stats			return TOK_STATS;
 <INITIAL>translate		return TOK_TRANSLATE;
diff --git a/cameo/lang.y b/cameo/lang.y
index 677bcf8..d7c7536 100644
--- a/cameo/lang.y
+++ b/cameo/lang.y
@@ -189,7 +189,7 @@ static struct path **classify(struct path **anchor, struct path *path)
 
 %token		TOK_ALIGN TOK_ARRAY TOK_CLEAR TOK_DRILL TOK_EMPTY TOK_AREA
 %token		TOK_MILL TOK_OFFSET TOK_OPTIMIZE TOK_REMAINDER TOK_RESET
-%token		TOK_ROTATE TOK_STATS TOK_TRANSLATE TOK_Z
+%token		TOK_REVERSE TOK_ROTATE TOK_STATS TOK_TRANSLATE TOK_Z
 %token		TOK_APPEND TOK_GERBER TOK_GNUPLOT TOK_EXCELLON TOK_WRITE
 %token		TOK_DOG TOK_INSIDE TOK_ANY
 
@@ -255,6 +255,14 @@ command:
 		{
 			paths = optimize_paths(paths);
 		}
+	| TOK_REVERSE
+		{
+			struct path *tmp;
+
+			tmp = reverse_paths(paths);
+			clear_paths();
+			paths = tmp;
+		}
 	| TOK_ROTATE number
 		{
 			rotate(paths, $2);
diff --git a/cameo/ops.c b/cameo/ops.c
index a90599f..545647a 100644
--- a/cameo/ops.c
+++ b/cameo/ops.c
@@ -1,8 +1,8 @@
 /*
  * ops.c - Higher-level toolpath operations
  *
- * Written 2010-2011 by Werner Almesberger
- * Copyright 2010-2011 Werner Almesberger
+ * Written 2010-2012 by Werner Almesberger
+ * Copyright 2010-2012 Werner Almesberger
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -140,3 +140,16 @@ struct path *optimize_paths(struct path *paths)
 	}
 	return res;
 }
+
+
+struct path *reverse_paths(const struct path *paths)
+{
+	const struct path *path;
+	struct path *res = NULL, **last = &res;
+
+	for (path = paths; path; path = path->next) {
+		*last = path_reverse(path);
+		last = &(*last)->next;
+	}
+	return res;
+}
diff --git a/cameo/ops.h b/cameo/ops.h
index 4e8d9fb..f1e381b 100644
--- a/cameo/ops.h
+++ b/cameo/ops.h
@@ -1,8 +1,8 @@
 /*
  * ops.h - Higher-level toolpath operations
  *
- * Written 2010-2011 by Werner Almesberger
- * Copyright 2010-2011 Werner Almesberger
+ * Written 2010-2012 by Werner Almesberger
+ * Copyright 2010-2012 Werner Almesberger
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -22,5 +22,6 @@ struct path *tool_comp_paths(const struct path *paths, int dog_bone,
 struct path *try_drill(struct path *path, double d_min, double d_max);
 struct path *try_mill(struct path *path, double diam, double step, int any);
 struct path *optimize_paths(struct path *paths);
+struct path *reverse_paths(const struct path *paths);
 
 #endif /* !OPS_H */