@@ -71,29 +71,19 @@
 			id = name; data = metal;
 			value = c.cost * fragments_per_ingot;
 		}
 	end end
-	sorcery.data.metallookup[ingot] = {
-		id = name; data = metal;
-		value = fragments_per_ingot;
-	}
-	sorcery.data.metallookup[block] = {
-		id = name; data = metal;
-		value = fragments_per_ingot * 9;
-	}
-	sorcery.data.metallookup[fragment] = {
-		id = name; data = metal;
-		value = 1;
-	}
-	sorcery.data.metallookup[disc] = {
-		id = name; data = metal;
-		value = 8/3;
-	}
+	local install = function(part,amt)
+			sorcery.data.metallookup[part] = { id = name, data = metal, value = amt }
+	end
+	install(ingot,    fragments_per_ingot)
+	install(block,    fragments_per_ingot*9)
+	install(fragment, 1)
+	install(powder,   1)
+	install(disc,     8/3)
+
 	if not metal.no_craftables then
-		sorcery.data.metallookup[screw] = {
-			id = name; data = metal;
-			value = 0.5;
-		}
+		install(screw, 0.5)
 		minetest.register_craftitem(screw, {
 			description = sorcery.lib.str.capitalize(name) .. ' Screw';
 			inventory_image = sorcery.lib.image('sorcery_screw.png'):multiply(sorcery.lib.color(metal.tone)):render();
 			groups = { metal = 1; sorcery_screw = 1; sorcery_tech_component = 1; };
@@ -132,8 +122,18 @@
 			};
 		};
 	})
 
+	sorcery.lathe.register {
+		input = ingot;
+		output = {name = fragment; count = fragments_per_ingot};
+		tech = 'cut', cost = 2;
+	}
+	sorcery.lathe.register {
+		input = block;
+		output = {name = fragment; count = fragments_per_ingot*9};
+		tech = 'cut', cost = 2*7;
+	}
 	sorcery.lathe.register {
 		input = ingot, mass = 2;
 		output = {name = disc, count = 3};
 		tech = 'cut', cost = 5;
@@ -147,8 +147,9 @@
 
 	minetest.register_craftitem(powder, {
 		description = sorcery.lib.str.capitalize(name) .. ' Powder';
 		inventory_image = 'sorcery_' .. name .. '_powder.png';
+		groups = {sorcery_powder = 1; powder = 1};
 	})
 	if metal.dye then
 		minetest.register_craft {
 			output = 'dye:' .. metal.dye .. ' 4';
@@ -224,9 +225,9 @@
 		output = fragment .. ' ' .. tostring(fragments_per_ingot);
 	}
 	do local rec = {}
 		for i=1,fragments_per_ingot do
-			rec[#rec+1]=fragment 
+			rec[#rec+1]=fragment
 		end
 		minetest.register_craft {
 			type = 'shapeless';
 			recipe = rec;