Egg boxes and donut boxes can be constructed from cardboard

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

@@ -171,6 +171,8 @@ var/global/list/datum/stack_recipe/wood_recipes = list ( \
  */
 var/global/list/datum/stack_recipe/cardboard_recipes = list ( \
 	new/datum/stack_recipe("box", /obj/item/weapon/storage/box), \
+	new/datum/stack_recipe("donut box", /obj/item/weapon/storage/fancy/donut_box/empty), \
+	new/datum/stack_recipe("egg box", /obj/item/weapon/storage/fancy/egg_box), \
 	new/datum/stack_recipe("light tubes", /obj/item/weapon/storage/box/lights/tubes), \
 	new/datum/stack_recipe("light bulbs", /obj/item/weapon/storage/box/lights/bulbs), \
 	new/datum/stack_recipe("mouse traps", /obj/item/weapon/storage/box/mousetraps), \

code/game/objects/items/weapons/storage/fancy.dm

@@ -50,14 +50,21 @@
 	name = "donut box"
 	storage_slots = 6
 	can_hold = list("/obj/item/weapon/reagent_containers/food/snacks/donut")
-
+	foldable = /obj/item/stack/sheet/cardboard
 
 /obj/item/weapon/storage/fancy/donut_box/New()
 	..()
-	for(var/i=1; i <= storage_slots; i++)
-		new /obj/item/weapon/reagent_containers/food/snacks/donut/normal(src)
+	if(!istype(src,/obj/item/weapon/storage/fancy/donut_box/empty))
+		for(var/i=1; i <= storage_slots; i++)
+			new /obj/item/weapon/reagent_containers/food/snacks/donut/normal(src)
 	return
 
+/obj/item/weapon/storage/fancy/donut_box/empty
+	icon_state = "donutbox0"
+
+/obj/item/weapon/storage/fancy/donut_box/empty/New()
+	..()
+
 /*
  * Egg Box
  */

html/changelog.html

@@ -120,6 +120,7 @@ should be listed in the changelog upon commit though. Thanks. -->
 		<li class='bugfix'>Made destination taggers more intuitive so you know when you've tagged something</li>
 		<li class='rscadd'>Ported package label and tag sprites</li>
 		<li class='rscadd'>Ported using a pen on a package to give it a title, or to write a note</li>
+		<li class='rscadd'>Donut boxes and egg boxes can be constructed out of cardboard</li>
 	</ul>
 </div>