diff --git a/src/components/three/ModelViewer.tsx b/src/components/three/ModelViewer.tsx
index f874c4b..41e04ee 100644
--- a/src/components/three/ModelViewer.tsx
+++ b/src/components/three/ModelViewer.tsx
@@ -235,8 +235,8 @@ function MeasurementLabel({ position, text, variant, fixed = false }: { position
   const textClass = variant === 'success' ? 'text-success' : 'text-primary';
   return (
     <Html position={position} center distanceFactor={df} zIndexRange={[100, 0]} style={{ pointerEvents: 'none' }}>
-      <div className={`rounded bg-card/95 border ${borderClass} px-3 py-1 shadow-lg backdrop-blur-sm`}>
-        <span className={`font-mono text-[16px] font-bold ${textClass} whitespace-nowrap`}>
+      <div className={`rounded bg-card/95 border ${borderClass} px-2 py-0.5 shadow-lg backdrop-blur-sm`}>
+        <span className={`font-mono text-[11px] font-bold ${textClass} whitespace-nowrap`}>
           {text}
         </span>
       </div>
