diff --git a/assets/mods/basegame/crafting/masonry.json b/assets/mods/basegame/crafting/masonry.json
new file mode 100644
index 000000000..57b2efca1
--- /dev/null
+++ b/assets/mods/basegame/crafting/masonry.json
@@ -0,0 +1,16 @@
+{
+  /* stone brick */
+  "basegame:19": {
+    "workbench": "masonry",
+    "ingredients": [
+      [1, 1, "$ROCK"]
+    ]
+  },
+  /* white stone tile */
+  "basegame:18": {
+    "workbench": "masonry",
+    "ingredients": [
+      [1, 1, "basegame:21"]
+    ]
+  }
+}
\ No newline at end of file
diff --git a/assets/mods/basegame/crafting/wires.json b/assets/mods/basegame/crafting/wires.json
index 678366a3d..7e49318fd 100644
--- a/assets/mods/basegame/crafting/wires.json
+++ b/assets/mods/basegame/crafting/wires.json
@@ -75,31 +75,31 @@
   "item@basegame:44": { /* signal blocker */
     "workbench": "basiccrafting",
     "ingredients": [
-      [1, 2, "basegame:21", 1, "item@basegame:116", 1, "item@basegame:112"] /* 2 marbles, 1 tin, 1 copper */
+      [1, 2, "$ROCK", 1, "item@basegame:116", 1, "item@basegame:112"] /* 2 rocks, 1 tin, 1 copper */
     ]
   },
   "item@basegame:45": { /* signal latch */
     "workbench": "basiccrafting",
     "ingredients": [
-      [1, 3, "basegame:21", 1, "item@basegame:116", 2, "item@basegame:112"] /* 3 marbles, 3 tin, 3 copper */
+      [1, 3, "$ROCK", 1, "item@basegame:116", 2, "item@basegame:112"] /* 3 rocks, 3 tin, 3 copper */
     ]
   },
   "item@basegame:8": { /* signal emitter */
     "workbench": "basiccrafting",
     "ingredients": [
-      [2, 1, "basegame:21", 1, "item@basegame:116"] /* 1 marbles, 1 tin, 1 copper */
+      [2, 1, "$ROCK", 1, "item@basegame:116"] /* 1 rocks, 1 tin, 1 copper */
     ]
   },
   "item@basegame:46": { /* signal repeater */
     "workbench": "basiccrafting",
     "ingredients": [
-      [1, 1, "basegame:21", 1, "item@basegame:116"] /* 1 marbles, 1 tin, 1 copper */
+      [1, 1, "$ROCK", 1, "item@basegame:116"] /* 1 rocks, 1 tin, 1 copper */
     ]
   },
   "item@basegame:49": { /* signal adder */
     "workbench": "basiccrafting",
     "ingredients": [
-      [1, 1, "basegame:21", 1, "item@basegame:116"] /* 2 marbles, 2 tin, 2 copper */
+      [1, 1, "$ROCK", 1, "item@basegame:116"] /* 2 rocks, 2 tin, 2 copper */
     ]
   }
 }
\ No newline at end of file
diff --git a/assets/mods/basegame/items/items.tga b/assets/mods/basegame/items/items.tga
index f18c93d0e..4f6d1bc86 100644
--- a/assets/mods/basegame/items/items.tga
+++ b/assets/mods/basegame/items/items.tga
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:a94421dd5e707addb20f037d7754df47424972ecf5cf0a8cabad7d5321dbbb6e
+oid sha256:fba68e3ce167441e395d781d658f35ef4eb950f666972a55fb68d893288780b5
 size 2408466
diff --git a/src/net/torvald/terrarum/modulebasegame/ui/UIAlloyingFurnace.kt b/src/net/torvald/terrarum/modulebasegame/ui/UIAlloyingFurnace.kt
index f9ede7838..ab1ff9ec6 100644
--- a/src/net/torvald/terrarum/modulebasegame/ui/UIAlloyingFurnace.kt
+++ b/src/net/torvald/terrarum/modulebasegame/ui/UIAlloyingFurnace.kt
@@ -66,22 +66,22 @@ class UIAlloyingFurnace(val smelter: FixtureAlloyingFurnace) : UICanvas(
     private val leftPanelY = playerThings.posY
 
     private val backdropColour = Color(0x999999_c8.toInt())
-    private val backdropZoom = 9f
+    private val backdropZoom = 10f
     private val backdropX = (leftPanelX + (leftPanelWidth - smelterBackdrops.tileW * backdropZoom) / 2).toFloat()
     private val backdropY = (leftPanelY + (leftPanelHeight - smelterBackdrops.tileH * backdropZoom) / 2).toFloat()
 
-    private val oreX1 = backdropX + 3 * backdropZoom + 4
-    private val oreX2 = backdropX + 9 * backdropZoom - 1
+    private val oreX1 = backdropX + 3 * backdropZoom + 7
+    private val oreX2 = backdropX + 9 * backdropZoom + 2
     private val oreY1 = backdropY + 6 * backdropZoom + 3
     private val oreY2 = backdropY + 6 * backdropZoom + 3
 
-    private val fireboxX = backdropX + 6 * backdropZoom + 2
+    private val fireboxX = backdropX + 6 * backdropZoom + 4
     private val fireboxY = backdropY + 21 * backdropZoom - 2
 
     private val productX = backdropX + 21 * backdropZoom + 1
     private val productY = backdropY + 11 * backdropZoom - 3
 
-    private val thermoX = (backdropX + 16 * backdropZoom + 3).toInt()
+    private val thermoX = (backdropX + 13 * backdropZoom + 3).toInt()
     private val thermoY = (backdropY + 21 * backdropZoom - 2).toInt()
 
 
diff --git a/work_files/graphics/items/basegame_items.kra b/work_files/graphics/items/basegame_items.kra
index 09e9bd012..0c30e81b0 100644
--- a/work_files/graphics/items/basegame_items.kra
+++ b/work_files/graphics/items/basegame_items.kra
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:11e9a14cb662a0c7ce97834775dc3bbf08562582d08f0b3cf87b5fd4827b22e0
-size 1668883
+oid sha256:a0e6bba296b229202ccf450de60556e80d4001c0c20e570120a2c2b42afafba8
+size 1668794
diff --git a/work_files/graphics/sprites/fixtures/sevenseg.kra b/work_files/graphics/sprites/fixtures/sevenseg.kra
new file mode 100644
index 000000000..9eb7a0e48
--- /dev/null
+++ b/work_files/graphics/sprites/fixtures/sevenseg.kra
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:0818b9edf5657335383f45c57b13a58ba0e2211263c3805b8e1d17876cd80531
+size 312503