diff --git a/docs/assets/CrystalLattice.webp b/docs/assets/CrystalLattice.webp
new file mode 100644
index 0000000..78ff02c
Binary files /dev/null and b/docs/assets/CrystalLattice.webp differ
diff --git a/docs/index.html b/docs/index.html
index 477dd04..348e323 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -283,7 +283,7 @@ <h1>OpenPhysics</h1>
     <section>
       <div class="section-head">
         <h2>Core Simulations</h2>
-        <span class="count">17</span>
+        <span class="count">18</span>
       </div>
       <div class="grid">
         <a class="card" href="https://openphysics.github.io/ACPhasor/" style="--hue: 33;">
@@ -308,6 +308,17 @@ <h3>Carnot Heat Engine</h3>
             <div class="tags"><span class="tag">thermodynamics</span><span class="tag">Carnot cycle</span><span class="tag">heat engines</span></div>
           </div>
         </a>
+        <a class="card" href="https://openphysics.github.io/CrystalLattice/" style="--hue: 8;">
+          <div class="thumb"><img src="assets/CrystalLattice.webp" alt="Crystal Lattice simulation screenshot" loading="lazy" decoding="async" width="1154" height="753"><span class="badge">CL</span></div>
+          <div class="card-body">
+            <div class="card-head">
+              <h3>Crystal Lattice</h3>
+              <span class="card-arrow" aria-hidden="true">&rarr;</span>
+            </div>
+            <p>Explore crystal structure across five screens: the five 2D Bravais lattices, the cubic unit cells and their packing factors, hexagonal against cubic close packing, Miller indices for planes and directions, and finally aperiodic order — Penrose tilings and the hat monotile, whose diffraction patterns are as sharp as a crystal's with a symmetry no crystal can have.</p>
+            <div class="tags"><span class="tag">crystallography</span><span class="tag">Bravais lattices</span><span class="tag">unit cells</span></div>
+          </div>
+        </a>
         <a class="card" href="https://openphysics.github.io/DopplerEffect/" style="--hue: 235;">
           <div class="thumb"><img src="assets/DopplerEffect.webp" alt="Doppler Effect simulation screenshot" loading="lazy" decoding="async" width="1154" height="753"><span class="badge">DE</span></div>
           <div class="card-body">
@@ -650,7 +661,7 @@ <h3>Variable Star Photometry</h3>
     </main>
 
     <footer>
-      <p>31 live simulations &middot; Built with <a href="https://scenerystack.org/">SceneryStack</a> &middot; GNU Affero GPL v3 &middot;
+      <p>32 live simulations &middot; Built with <a href="https://scenerystack.org/">SceneryStack</a> &middot; GNU Affero GPL v3 &middot;
       <a href="https://github.com/OpenPhysics/Baton">OpenPhysics/Baton</a></p>
     </footer>
   </div>
diff --git a/screenshots/CrystalLattice.png b/screenshots/CrystalLattice.png
new file mode 100644
index 0000000..409cc1f
Binary files /dev/null and b/screenshots/CrystalLattice.png differ
diff --git a/structure/repos.json b/structure/repos.json
index ef8fd23..3e855b6 100644
--- a/structure/repos.json
+++ b/structure/repos.json
@@ -163,6 +163,38 @@
       ],
       "status": "active"
     },
+    {
+      "name": "CrystalLattice",
+      "displayName": "Crystal Lattice",
+      "type": "simulation",
+      "isSimulation": true,
+      "lineage": "original",
+      "upstream": null,
+      "language": [
+        "TypeScript"
+      ],
+      "framework": "SceneryStack",
+      "description": "Explore crystal structure across five screens: the five 2D Bravais lattices, the cubic unit cells and their packing factors, hexagonal against cubic close packing, Miller indices for planes and directions, and finally aperiodic order — Penrose tilings and the hat monotile, whose diffraction patterns are as sharp as a crystal's with a symmetry no crystal can have.",
+      "deployedUrl": "https://openphysics.github.io/CrystalLattice",
+      "physicsTopics": [
+        "crystallography",
+        "Bravais lattices",
+        "unit cells",
+        "close packing",
+        "Miller indices",
+        "diffraction",
+        "quasicrystals",
+        "aperiodic tilings"
+      ],
+      "screens": [
+        "2D Lattices",
+        "Cubic Systems",
+        "Close-Packing",
+        "Miller Indices",
+        "Aperiodic Order"
+      ],
+      "status": "active"
+    },
     {
       "name": "DopplerEffect",
       "displayName": "Doppler Effect",