diff --git a/src/example/example1.js b/src/example/example1.js
index 360f15a..3f0629b 100644
--- a/src/example/example1.js
+++ b/src/example/example1.js
@@ -564,7 +564,7 @@ export default {
     },
     {
       catalogCode: '__f5', t: 'floor',
-      items: buildPointPerformanceData('gstore', 200, 500, 0.01)
+      items: buildPointPerformanceData('gstore', 200, 500, 0)
     },
     {
       catalogCode: '__f3', t: 'floor',
diff --git a/src/modules/gstore/GstoreRenderer.ts b/src/modules/gstore/GstoreRenderer.ts
index e05b5f5..606c60d 100644
--- a/src/modules/gstore/GstoreRenderer.ts
+++ b/src/modules/gstore/GstoreRenderer.ts
@@ -27,13 +27,14 @@ export default class GstoreRenderer extends BaseRenderer {
     strokeWidth: 0.08
   }
 
-  pointGeometry = new THREE.BoxGeometry(
-    1, 1, 1
-  ).translate(0, 0.5, 0)
+  pointGeometry = new THREE.PlaneGeometry(
+    1, 1
+  ).rotateX(-Math.PI / 2)
   pointMaterial: THREE.Material = new THREE.MeshBasicMaterial({
     color: 0xffffff,
-    transparent: true,
-    opacity: 0.5
+    // transparent: true,
+    // opacity: 0.5
+    side: THREE.DoubleSide
   })
 
   strokeMaterial = new THREE.MeshBasicMaterial({