diff --git a/modules.conf b/modules.conf
index 7716aa4..f9c098b 100644
--- a/modules.conf
+++ b/modules.conf
@@ -1 +1,2 @@
+shared = true
 storage = true
diff --git a/modules/shared/init.lua b/modules/shared/init.lua
new file mode 100644
index 0000000..ab37333
--- /dev/null
+++ b/modules/shared/init.lua
@@ -0,0 +1,17 @@
+-- shared/init.lua
+
+local me = microexpansion
+
+-- This mostly contains items that are used by multiple modules and
+-- don't really fit with anything else.
+
+-- [register item] Steel Infused Obsidian Ingot
+me.register_item("steel_infused_obsidian_ingot", {
+  description = "Steel Infused Obsidian Ingot",
+  recipe = {
+    "single",
+    { 1,
+      { "default:steel_ingot", "default:obsidian_shard", "default:steel_ingot" },
+    },
+  },
+})
diff --git a/textures/microexpansion_steel_infused_obsidian_ingot.png b/textures/microexpansion_steel_infused_obsidian_ingot.png
new file mode 100644
index 0000000..cb25b6a
Binary files /dev/null and b/textures/microexpansion_steel_infused_obsidian_ingot.png differ