diff --git a/src/index.js b/src/index.js
index b514ce7..8720b44 100644
--- a/src/index.js
+++ b/src/index.js
@@ -232,7 +232,7 @@ let renderFlower = (size = 3, radius = 1) => {
                 sphere.position.z = ztemp2;
                 scene.add( sphere );
     
-                let circleGeometry = new THREE.TorusGeometry( radius, 0.015, 64, 64 );
+                let circleGeometry = new THREE.TorusGeometry( radius, 0.02, 64, 64 );
                 let circleMaterial = new THREE.MeshBasicMaterial( { 
                     color: 0x000000,
                     opacity: 0.1,
@@ -518,7 +518,7 @@ gui.add( params, 'radius', 0.5, 3).onChange( (value) => {
     scene.remove(circleCircum)
     renderFlower (params['size'], value)
 });
-gui.open();
+gui.close();
 
 let stats = new Stats();
 document.body.appendChild( stats.dom );