diff --git a/prototypes/plpd.lua b/prototypes/plpd.lua
new file mode 100644
index 0000000..ab4bde7
--- /dev/null
+++ b/prototypes/plpd.lua
@@ -0,0 +1,92 @@
+local util = require("data-util");
+
+data:extend({
+  {
+    type = "item",
+    name = "platinum-powder",
+    icon = "__bzgold__/graphics/icons/platinum-powder.png",
+    icon_size = 128,
+    subgroup = "raw-resource",
+    order = "b[platinum-powder]",
+    stack_size = util.get_stack_size(100),
+  },
+  {
+    type = "item",
+    name = "platinum-ingot",
+    icon = "__bzgold__/graphics/icons/platinum-ingot.png",
+    icon_size = 128,
+    subgroup = "raw-resource",
+    order = "b[platinum-ingot]",
+    stack_size = util.get_stack_size(100),
+  },
+  {
+    type = "recipe",
+    name = "platinum-ingot",
+    category = "smelting",
+    order = "d[platinum-ingot]",
+    enabled = true,
+    energy_required = 1.6,
+    ingredients = {{"platinum-powder", 1}},
+    results = {{"platinum-ingot", 1}},
+  },
+})
+data:extend({
+  {
+    type = "item",
+    name = "palladium-powder",
+    icon = "__bzgold__/graphics/icons/palladium-powder.png",
+    icon_size = 128,
+    subgroup = "raw-resource",
+    order = "b[palladium-powder]",
+    stack_size = util.get_stack_size(100),
+  },
+  {
+    type = "item",
+    name = "palladium-ingot",
+    icon = "__bzgold__/graphics/icons/palladium-ingot.png",
+    icon_size = 128,
+    subgroup = "raw-resource",
+    order = "b[palladium-ingot]",
+    stack_size = util.get_stack_size(100),
+  },
+  {
+    type = "recipe",
+    name = "palladium-ingot",
+    category = "smelting",
+    order = "d[palladium-ingot]",
+    enabled = true,
+    energy_required = 1.6,
+    ingredients = {{"palladium-powder", 1}},
+    results = {{"palladium-ingot", 1}},
+  },
+})
+data:extend({
+  {
+    type = "technology",
+    name = "plpd-processing",
+    icons = {
+      {
+        icon = "__bzgold__/graphics/icons/platinum-ingot.png",
+        icon_size = 128, shift = {-32,-32},
+      },
+      {
+        icon = "__bzgold__/graphics/icons/palladium-ingot.png",
+        icon_size = 128, shift = {32,32},
+      },
+    },
+    effects = {
+      { type = "unlock-recipe", recipe = "palladium-ingot" },
+      { type = "unlock-recipe", recipe = "platinum-ingot" },
+    },
+    unit = {
+      count = 100, time = 30,
+      ingredients = {
+        {"automation-science-pack", 1},
+        {"logistic-science-pack", 1},
+        {"chemical-science-pack", 1},
+      },
+    },
+    prerequisites = mods["space-exploration"] and {"rocket-science-pack"} or {"chemical-science-pack"},
+    order = "b-b",
+  },
+})