diff --git a/index.html b/index.html
index 79d4284..a9caf83 100644
--- a/index.html
+++ b/index.html
@@ -119,6 +119,15 @@
       <h3 style="margin-top: 5vh;">งานพัฒนาแอปสำหรับ Linux</h3>
 
       <div class="section">
+        <a class="itemcard" style="opacity: 50%;">
+          <div class="listaction">
+            <img src="resources/icons/ttt-org-blueprint.Devel.svg" alt="TTT-Blog" width="80" height="80" style="margin: 0.3cm;"> 
+            <div>
+              <h3>OSM building size calculator</h3>
+              <p>Coming soon - you can help</p>
+            </div>
+          </div>
+        </a>
         <a class="itemcard" style="opacity: 50%;">
           <div class="listaction">
             <img src="resources/icons/ttt-org-blueprint.Devel.svg" alt="TTT-Blog" width="80" height="80" style="margin: 0.3cm;">