diff --git a/src/lib/turtle/Structure.hx b/src/lib/turtle/Structure.hx
index b47f7a6..74756ca 100644
--- a/src/lib/turtle/Structure.hx
+++ b/src/lib/turtle/Structure.hx
@@ -10,6 +10,10 @@ abstract Structure(Array<Layer>) from Array<Layer> {
 	public inline function height():Int {
 		return this.length;
 	}
+
+	public function rotate():Structure {
+		return [for (i in 0...height()) this[i].rotate()];
+	}
 }
 
 abstract Layer(Array<Array<Block>>) from Array<Array<Block>> {