@@ -106,13 +106,16 @@
 		};
 	end
 	-- TODO: replace crafting recipe with kiln recipe
 	minetest.register_craft {
-		output = screw.. ' 4';
+		output = screw.. ' 8';
 		recipe = {
-			{fragment,fragment,fragment};
-			{'',      fragment,''};
-			{'',      fragment,''};
+			{'',          'xdecor:hammer',''};
+			{        fragment,fragment,fragment};
+			{'',              fragment,''};
+		};
+		replacements = {
+			{'xdecor:hammer','xdecor:hammer'};
 		};
 	}
 	if not sorcery.compat.defp(ingot) then
 		-- TODO: remove instant_ores dependency
@@ -143,15 +146,15 @@
 	})
 	minetest.register_craft {
 		type = 'cooking';
 		recipe = powder;
-		cooktime = (metal.cooktime or 4) * 1.5;
+		cooktime = (metal.cooktime or 4) * 0.25;
 		output = fragment;
 	}
 	minetest.register_craft {
 		type = 'cooking';
 		recipe = ingot;
-		cooktime = (metal.cooktime or 4) / 2;
+		cooktime = (metal.cooktime or 4) * 0.5;
 		output = fragment .. ' ' .. tostring(fragments_per_ingot);
 	}
 	do local rec = {}
 		for i=1,fragments_per_ingot do
@@ -180,11 +183,13 @@
 		local powders = {}
 		for _,m in pairs(metal.sinter) do
 			powders[#powders+1] = 'sorcery:powder_' .. m
 		end
+		if metal.sinter_catalyst then for _,m in pairs(metal.sinter_catalyst)
+			do powders[#powders+1] = m end end
 		minetest.register_craft {
 			type = 'shapeless';
 			output = powder .. ' ' .. tostring(#powders);
 			recipe = powders;
 		};
 	end
 end