diff --git a/_Sidebar.md b/_Sidebar.md
index a535575..f9dc1e2 100644
--- a/_Sidebar.md
+++ b/_Sidebar.md
@@ -86,4 +86,9 @@
 * [[Spell Groups]]
 * [[Spell Effect IDs]]
 * [[Spell Target Restrictions]]
-* [[Spell Resist Types]]
\ No newline at end of file
+* [[Spell Resist Types]]
+
+---
+
+**Tooling**
+* [[GL Model Viewer]]