diff --git a/src/extras/helpers/PolarGridHelper.js b/src/extras/helpers/PolarGridHelper.js
index efb883db0c15bfbd0e2a175b088b97c6683f016b..09c2f98fc5d7626493749909cf3dfc7dafbc363c 100644
--- a/src/extras/helpers/PolarGridHelper.js
+++ b/src/extras/helpers/PolarGridHelper.js
@@ -90,4 +90,6 @@ function PolarGridHelper( radius, radials, circles, divisions, color1, color2 )
 }
 
 PolarGridHelper.prototype = Object.create( LineSegments.prototype );
-PolarGridHelper.prototype.constructor = PolarGridHelper;
\ No newline at end of file
+PolarGridHelper.prototype.constructor = PolarGridHelper;
+
+export { PolarGridHeler };
\ No newline at end of file