Micro powered fans!

code/game/machinery/poweredfans.dm

@@ -0,0 +1,59 @@
+/obj/machinery/poweredfans
+	icon = 'icons/obj/poweredfans.dmi'
+	icon_state = "mfan_powered"
+	name = "placeholder big fan"
+	desc = "A large machine releasing a constant gust of air."
+	anchored = TRUE
+	density = TRUE
+	var/buildstacktype = /obj/item/stack/sheet/metal
+	var/buildstackamount = 5
+	CanAtmosPass = ATMOS_PASS_NO
+
+/obj/machinery/poweredfans/mpfan
+	name = "micro powered fan"
+	desc = "A handmade fan, releasing a thin gust of air."
+	layer = ABOVE_NORMAL_TURF_LAYER
+	density = FALSE
+	icon_state = "mfan_powered"
+	buildstackamount = 2
+	use_power = ACTIVE_POWER_USE
+	idle_power_usage = 1
+	active_power_usage = 3
+	CanAtmosPass = ATMOS_PASS_NO
+
+/obj/machinery/poweredfans/deconstruct()
+	if(!(flags_1 & NODECONSTRUCT_1))
+		if(buildstacktype)
+			new buildstacktype(loc,buildstackamount)
+	qdel(src)
+
+/obj/machinery/poweredfans/wrench_act(mob/living/user, obj/item/I)
+	if(flags_1 & NODECONSTRUCT_1)
+		return TRUE
+
+	user.visible_message("<span class='warning'>[user] disassembles [src].</span>",
+		"<span class='notice'>You start to disassemble [src]...</span>", "You hear clanking and banging noises.")
+	if(I.use_tool(src, user, 20, volume=50))
+		deconstruct()
+	return TRUE
+
+/obj/machinery/poweredfans/Initialize(mapload)
+	. = ..()
+	air_update_turf(1)
+
+/obj/machinery/poweredfans/power_change()
+	..()
+	update_icon()
+
+/obj/machinery/poweredfans/update_icon()
+	//if(state & NOPOWER)
+	if(powered())
+		icon_state = "mfan_powered"
+		CanAtmosPass = ATMOS_PASS_NO
+		air_update_turf(1)
+		return
+	else
+		icon_state = "mfan_unpowered"
+		CanAtmosPass = ATMOS_PASS_YES
+		air_update_turf(1)
+		return

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

@@ -92,7 +92,7 @@ GLOBAL_LIST_INIT(metal_recipes, list ( \
 	null, \
 	new/datum/stack_recipe("iron door", /obj/structure/mineral_door/iron, 20, one_per_turf = TRUE, on_floor = TRUE), \
 	new/datum/stack_recipe("floodlight frame", /obj/structure/floodlight_frame, 5, one_per_turf = TRUE, on_floor = TRUE), \
-	new/datum/stack_recipe("tiny fan", /obj/structure/fans/tiny, 3, time = 35, one_per_turf = TRUE, on_floor = TRUE), \
+	new/datum/stack_recipe("micro powered fan", /obj/machinery/poweredfans/mpfan, 2, time = 35, one_per_turf = TRUE, on_floor = TRUE), \
 ))
 
 /obj/item/stack/sheet/metal