Let their be lists

code/datums/components/crafting/recipes/recipes_primal.dm

@@ -1,10 +1,3 @@
-/datum/crafting_recipe/bonearmor
-	name = "Bone Armor"
-	result = /obj/item/clothing/suit/armor/bone
-	time = 30
-	reqs = list(/obj/item/stack/sheet/bone = 6)
-	category = CAT_PRIMAL
-
 /datum/crafting_recipe/bonetalisman
 	name = "Bone Talisman"
 	result = /obj/item/clothing/accessory/talisman
@@ -29,13 +22,6 @@
 				 /obj/item/stack/sheet/sinew = 1)
 	category = CAT_PRIMAL
 
-/datum/crafting_recipe/skullhelm
-	name = "Skull Helmet"
-	result = /obj/item/clothing/head/helmet/skull
-	time = 30
-	reqs = list(/obj/item/stack/sheet/bone = 4)
-	category = CAT_PRIMAL
-
 /datum/crafting_recipe/goliathcloak
 	name = "Goliath Cloak"
 	result = /obj/item/clothing/suit/hooded/cloak/goliath
@@ -62,13 +48,6 @@
 				/obj/item/stack/sheet/sinew = 2)
 	category = CAT_PRIMAL
 
-/datum/crafting_recipe/bonedagger
-	name = "Bone Dagger"
-	result = /obj/item/kitchen/knife/combat/bone
-	time = 20
-	reqs = list(/obj/item/stack/sheet/bone = 2)
-	category = CAT_PRIMAL
-
 /datum/crafting_recipe/bonespear
 	name = "Bone Spear"
 	result = /obj/item/twohanded/bonespear

code/game/objects/items/stacks/sheets/sheet_types.dm

@@ -698,6 +698,16 @@ GLOBAL_LIST_INIT(bronze_recipes, list ( \
 	/*
  * Bones
  */
+
+GLOBAL_LIST_INIT(bone_recipes, list(
+	new /datum/stack_recipe("Bone Dagger", /obj/item/kitchen/knife/combat/bone, 2, time = 20), \
+	new /datum/stack_recipe("Skull Helmet", /obj/item/clothing/head/helmet/skull, 4, time = 30), \
+	new /datum/stack_recipe("Bone Armor", /obj/item/clothing/suit/armor/bone, 6, time = 30)))
+
+/obj/item/stack/sheet/bone/Initialize(mapload, new_amount, merge = TRUE)
+	recipes = GLOB.bone_recipes
+	. = ..()
+
 /obj/item/stack/sheet/bone
 	name = "bones"
 	icon = 'icons/obj/mining.dmi'
@@ -714,6 +724,10 @@ GLOBAL_LIST_INIT(bronze_recipes, list ( \
 	grind_results = list(/datum/reagent/carbon = 10)
 	merge_type = /obj/item/stack/sheet/bone
 
+	/*
+ * Plastic
+ */
+
 GLOBAL_LIST_INIT(plastic_recipes, list(
 	new /datum/stack_recipe("see-through plastic flaps", /obj/structure/plasticflaps, 5, one_per_turf = TRUE, on_floor = TRUE, time = 40), \
 	new /datum/stack_recipe("opaque plastic flaps", /obj/structure/plasticflaps/opaque, 5, one_per_turf = TRUE, on_floor = TRUE, time = 40), \