diff --git a/src/visGeometry/VolumeModel.ts b/src/visGeometry/VolumeModel.ts
index f7ce0312..f20b9695 100644
--- a/src/visGeometry/VolumeModel.ts
+++ b/src/visGeometry/VolumeModel.ts
@@ -23,7 +23,8 @@ export default class VolumeModel {
         if (this.image) {
             this.image.setTranslation(new Vector3(data.x, data.y, data.z));
             this.image.setRotation(new Euler(data.xrot, data.yrot, data.zrot));
-            this.image.setScale(new Vector3(data.cr, data.cr, data.cr));
+            const r = data.cr * 2;
+            this.image.setScale(new Vector3(r, r, r));
         }
     }