@@ -47,14 +47,16 @@
 	local block = metal.block or 'sorcery:' .. name .. 'block'
 	local screw = 'sorcery:screw_' .. name
 	local fragment = 'sorcery:fragment_' .. name
 	local powder = 'sorcery:powder_' .. name
+	local disc = 'sorcery:disc_' .. name
 	metal.parts = {
 		ingot = ingot;
 		block = block;
 		screw = screw;
 		fragment = fragment;
 		powder = powder;
+		disc = disc;
 	}
 	if not metal.no_tools then for t,c in pairs(tools) do
 		sorcery.matreg.lookup[(metal.items and metal.items[t]) or ('sorcery:' .. t .. '_' .. name)] = {
 			metal = true;
@@ -83,13 +85,9 @@
 	}
 	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;
-		};
+		groups = { metal = 1; sorcery_screw = 1; sorcery_tech_component = 1; };
 		_sorcery = {
 			material = {
 				id = name, data = metal;
 				powder = powder;
@@ -97,8 +95,22 @@
 				value = 0.5;
 			};
 		};
 	})
+	minetest.register_craftitem(disc, {
+		description = sorcery.lib.str.capitalize(name) .. ' Disc';
+		inventory_image = sorcery.lib.image('sorcery_disc.png'):multiply(sorcery.lib.color(metal.tone)):render();
+		groups = { metal = 1; sorcery_disc = 1; sorcery_tech_component = 1; };
+		_sorcery = {
+			material = {
+				id = name, data = metal;
+				powder = powder;
+				grindvalue = (3*4) / 2;
+				value = 4 * (2/3);
+			};
+		};
+	})
+
 	local reglathe = function(ty, sz)
 		sorcery.lathe.register {
 			input = ty;
 			output = {name = screw, count = sz * 2};
@@ -107,8 +119,21 @@
 	end
 	reglathe(fragment, 1)
 	reglathe(ingot, 4)
 	reglathe(block, 4 * 9)
+
+	sorcery.lathe.register {
+		input = ingot, mass = 2;
+		output = {name = disc, count = 3};
+		tech = 'cut', cost = 5;
+	}
+	sorcery.lathe.register {
+		input = block;
+		output = {name = disc, count = 8*3};
+		leftover = ingot;
+		tech = 'cut', cost = 5*7;
+	}
+
 	minetest.register_craftitem(powder, {
 		description = sorcery.lib.str.capitalize(name) .. ' Powder';
 		inventory_image = 'sorcery_' .. name .. '_powder.png';
 	})