--- a/rust/landgen/src/outline_template.rs	Sun Nov 04 04:43:30 2018 +0300
+++ b/rust/landgen/src/outline_template.rs	Sun Nov 04 07:16:34 2018 +0300
@@ -1,6 +1,6 @@
 use integral_geometry::{Point, Rect, Size};
 
-#[derive(Debug)]
+#[derive(Clone, Debug)]
 pub struct OutlineTemplate {
     pub islands: Vec<Vec<Rect>>,
     pub fill_points: Vec<Point>,