diff --git a/baystation12.dme b/baystation12.dme
index 889d36ae3f1..0ff2b2711b1 100644
--- a/baystation12.dme
+++ b/baystation12.dme
@@ -54,9 +54,6 @@
 #define FILE_DIR "sound/voice/Serithi"
 #define FILE_DIR "sound/vox"
 #define FILE_DIR "sound/weapons"
-#define FILE_DIR "tools"
-#define FILE_DIR "tools/AddToChangelog"
-#define FILE_DIR "tools/AddToChangelog/AddToChangelog"
 // END_FILE_DIR
 // BEGIN_PREFERENCES
 #define DEBUG
diff --git a/code/game/objects/items/stacks/sheets/mineral.dm b/code/game/objects/items/stacks/sheets/mineral.dm
index c76ff2511f6..3671b6ce08e 100644
--- a/code/game/objects/items/stacks/sheets/mineral.dm
+++ b/code/game/objects/items/stacks/sheets/mineral.dm
@@ -124,7 +124,6 @@ var/global/list/datum/stack_recipe/plasma_recipes = list ( \
 	throw_range = 3
 	origin_tech = "materials=3"
 	perunit = 2000
-	sheettype = "plastic"
 
 var/global/list/datum/stack_recipe/plastic_recipes = list ( \
 	new/datum/stack_recipe("plastic crate", /obj/structure/closet/pcrate, 10, one_per_turf = 1, on_floor = 1), \
diff --git a/code/game/objects/items/stacks/sheets/sheet_types.dm b/code/game/objects/items/stacks/sheets/sheet_types.dm
index 0dfabb85e12..767c6c69aab 100644
--- a/code/game/objects/items/stacks/sheets/sheet_types.dm
+++ b/code/game/objects/items/stacks/sheets/sheet_types.dm
@@ -13,10 +13,20 @@
 var/global/list/datum/stack_recipe/metal_recipes = list ( \
 	new/datum/stack_recipe("stool", /obj/structure/stool, one_per_turf = 1, on_floor = 1), \
 	new/datum/stack_recipe("chair", /obj/structure/stool/bed/chair, one_per_turf = 1, on_floor = 1), \
-	new/datum/stack_recipe("swivel chair", /obj/structure/stool/bed/chair/office/dark, 5, one_per_turf = 1, on_floor = 1), \
-	new/datum/stack_recipe("comfy chair", /obj/structure/stool/bed/chair/comfy/beige, 2, one_per_turf = 1, on_floor = 1), \
 	new/datum/stack_recipe("bed", /obj/structure/stool/bed, 2, one_per_turf = 1, on_floor = 1), \
 	null, \
+	new/datum/stack_recipe_list("office chairs",list( \
+		new/datum/stack_recipe("dark office chair", /obj/structure/stool/bed/chair/office/dark, 5, one_per_turf = 1, on_floor = 1), \
+		new/datum/stack_recipe("light office chair", /obj/structure/stool/bed/chair/office/light, 5, one_per_turf = 1, on_floor = 1), \
+		), 5), \
+	new/datum/stack_recipe_list("comfy chairs", list( \
+		new/datum/stack_recipe("beige comfy chair", /obj/structure/stool/bed/chair/comfy/beige, 2, one_per_turf = 1, on_floor = 1), \
+		new/datum/stack_recipe("black comfy chair", /obj/structure/stool/bed/chair/comfy/black, 2, one_per_turf = 1, on_floor = 1), \
+		new/datum/stack_recipe("brown comfy chair", /obj/structure/stool/bed/chair/comfy/brown, 2, one_per_turf = 1, on_floor = 1), \
+		new/datum/stack_recipe("lime comfy chair", /obj/structure/stool/bed/chair/comfy/lime, 2, one_per_turf = 1, on_floor = 1), \
+		new/datum/stack_recipe("teal comfy chair", /obj/structure/stool/bed/chair/comfy/teal, 2, one_per_turf = 1, on_floor = 1), \
+		), 2), \
+	null, \
 	new/datum/stack_recipe("table parts", /obj/item/weapon/table_parts, 2), \
 	new/datum/stack_recipe("rack parts", /obj/item/weapon/rack_parts), \
 	new/datum/stack_recipe("closet", /obj/structure/closet, 2, time = 15, one_per_turf = 1, on_floor = 1), \
diff --git a/code/game/objects/items/stacks/stack.dm b/code/game/objects/items/stacks/stack.dm
index 3c8b694d288..43ea24b112e 100644
--- a/code/game/objects/items/stacks/stack.dm
+++ b/code/game/objects/items/stacks/stack.dm
@@ -1,7 +1,8 @@
 /* Stack type objects!
  * Contains:
  * 		Stacks
- *		Recipe datum
+ * 		Recipe datum
+ * 		Recipe list datum
  */
 
 /*
@@ -32,51 +33,66 @@
 	return
 
 /obj/item/stack/attack_self(mob/user as mob)
-	interact(user)
+	list_recipes(user)
 
-/obj/item/stack/interact(mob/user as mob)
+/obj/item/stack/proc/list_recipes(mob/user as mob, recipes_sublist)
 	if (!recipes)
 		return
 	if (!src || amount<=0)
 		user << browse(null, "window=stack")
 	user.set_machine(src) //for correct work of onclose
+	var/list/recipe_list = recipes
+	if (recipes_sublist && recipe_list[recipes_sublist] && istype(recipe_list[recipes_sublist], /datum/stack_recipe_list))
+		var/datum/stack_recipe_list/srl = recipe_list[recipes_sublist]
+		recipe_list = srl.recipes
 	var/t1 = text("<HTML><HEAD><title>Constructions from []</title></HEAD><body><TT>Amount Left: []<br>", src, src.amount)
-	for(var/i=1;i<=recipes.len,i++)
-		var/datum/stack_recipe/R = recipes[i]
-		if (isnull(R))
+	for(var/i=1;i<=recipe_list.len,i++)
+		var/E = recipe_list[i]
+		if (isnull(E))
 			t1 += "<hr>"
 			continue
-		if (i>1 && !isnull(recipes[i-1]))
+
+		if (i>1 && !isnull(recipe_list[i-1]))
 			t1+="<br>"
-		var/max_multiplier = round(src.amount / R.req_amount)
-		var/title as text
-		var/can_build = 1
-		can_build = can_build && (max_multiplier>0)
-		/*
-		if (R.one_per_turf)
-			can_build = can_build && !(locate(R.result_type) in usr.loc)
-		if (R.on_floor)
-			can_build = can_build && istype(usr.loc, /turf/simulated/floor)
-		*/
-		if (R.res_amount>1)
-			title+= "[R.res_amount]x [R.title]\s"
-		else
-			title+= "[R.title]"
-		title+= " ([R.req_amount] [src.singular_name]\s)"
-		if (can_build)
-			t1 += text("<A href='?src=\ref[];make=[]'>[]</A>  ", src, i, title)
-		else
-			t1 += text("[]", title)
-			continue
-		if (R.max_res_amount>1 && max_multiplier>1)
-			max_multiplier = min(max_multiplier, round(R.max_res_amount/R.res_amount))
-			t1 += " |"
-			var/list/multipliers = list(5,10,25)
-			for (var/n in multipliers)
-				if (max_multiplier>=n)
-					t1 += " <A href='?src=\ref[src];make=[i];multiplier=[n]'>[n*R.res_amount]x</A>"
-			if (!(max_multiplier in multipliers))
-				t1 += " <A href='?src=\ref[src];make=[i];multiplier=[max_multiplier]'>[max_multiplier*R.res_amount]x</A>"
+
+		if (istype(E, /datum/stack_recipe_list))
+			var/datum/stack_recipe_list/srl = E
+			if (src.amount >= srl.req_amount)
+				t1 += "<a href='?src=\ref[src];sublist=[i]'>[srl.title] ([srl.req_amount] [src.singular_name]\s)</a>"
+			else
+				t1 += "[srl.title] ([srl.req_amount] [src.singular_name]\s<br>"
+
+		if (istype(E, /datum/stack_recipe))
+			var/datum/stack_recipe/R = E
+			var/max_multiplier = round(src.amount / R.req_amount)
+			var/title as text
+			var/can_build = 1
+			can_build = can_build && (max_multiplier>0)
+			/*
+			if (R.one_per_turf)
+				can_build = can_build && !(locate(R.result_type) in usr.loc)
+			if (R.on_floor)
+				can_build = can_build && istype(usr.loc, /turf/simulated/floor)
+			*/
+			if (R.res_amount>1)
+				title+= "[R.res_amount]x [R.title]\s"
+			else
+				title+= "[R.title]"
+			title+= " ([R.req_amount] [src.singular_name]\s)"
+			if (can_build)
+				t1 += text("<A href='?src=\ref[src];sublist=[recipes_sublist];make=[i]'>[title]</A>  ")
+			else
+				t1 += text("[]", title)
+				continue
+			if (R.max_res_amount>1 && max_multiplier>1)
+				max_multiplier = min(max_multiplier, round(R.max_res_amount/R.res_amount))
+				t1 += " |"
+				var/list/multipliers = list(5,10,25)
+				for (var/n in multipliers)
+					if (max_multiplier>=n)
+						t1 += " <A href='?src=\ref[src];make=[i];multiplier=[n]'>[n*R.res_amount]x</A>"
+				if (!(max_multiplier in multipliers))
+					t1 += " <A href='?src=\ref[src];make=[i];multiplier=[max_multiplier]'>[max_multiplier*R.res_amount]x</A>"
 
 	t1 += "</TT></body></HTML>"
 	user << browse(t1, "window=stack")
@@ -87,10 +103,18 @@
 	..()
 	if ((usr.restrained() || usr.stat || usr.get_active_hand() != src))
 		return
+
+	if (href_list["sublist"] && !href_list["make"])
+		list_recipes(usr, text2num(href_list["sublist"]))
+
 	if (href_list["make"])
 		if (src.amount < 1) del(src) //Never should happen
 
-		var/datum/stack_recipe/R = recipes[text2num(href_list["make"])]
+		var/list/recipes_list = recipes
+		if (href_list["sublist"])
+			var/datum/stack_recipe_list/srl = recipes_list[text2num(href_list["sublist"])]
+			recipes_list = srl.recipes
+		var/datum/stack_recipe/R = recipes_list[text2num(href_list["make"])]
 		var/multiplier = text2num(href_list["multiplier"])
 		if (!multiplier) multiplier = 1
 		if (src.amount < R.req_amount*multiplier)
@@ -222,4 +246,16 @@
 		src.max_res_amount = max_res_amount
 		src.time = time
 		src.one_per_turf = one_per_turf
-		src.on_floor = on_floor
\ No newline at end of file
+		src.on_floor = on_floor
+
+/*
+ * Recipe list datum
+ */
+/datum/stack_recipe_list
+	var/title = "ERROR"
+	var/list/recipes = null
+	var/req_amount = 1
+	New(title, recipes, req_amount = 1)
+		src.title = title
+		src.recipes = recipes
+		src.req_amount = req_amount
\ No newline at end of file