diff --git a/soundlab/index.html b/soundlab/index.html
index 3b35a89..5bcea86 100644
--- a/soundlab/index.html
+++ b/soundlab/index.html
@@ -43,8 +43,8 @@
         margin-bottom: 1vh;
       }
       cbase-polar {
-        width: 30vmin;
-        height: 30vmin;
+        width: 40vmin;
+        height: 40vmin;
         display: block;
         margin-left: auto;
         margin-right: auto;
@@ -109,7 +109,7 @@
       </section>
       <section id="disco-history">
         <h2>mainhall disco (3d)</h2>
-        <cbase-polar timeseries="disco.mainhall" days="3" size="30" accumulate></cbase-polar>
+        <cbase-polar timeseries="disco.mainhall" days="3" size="40" accumulate></cbase-polar>
       </section>
     </main>
     <h1 id="screen-title">soundlab</h1>