diff --git a/generic/items/dbg_input1.tres b/generic/items/dbg_input1.tres
new file mode 100644
index 0000000..0da7a0f
--- /dev/null
+++ b/generic/items/dbg_input1.tres
@@ -0,0 +1,15 @@
+[gd_resource type="Resource" script_class="Item" load_steps=4 format=3 uid="uid://cpjlj1vm46t08"]
+
+[ext_resource type="Texture2D" uid="uid://gfkhedfdi7ug" path="res://sprites/atlasses/Popekko.png" id="1_hmnnx"]
+[ext_resource type="Script" uid="uid://p5327ibxtyfs" path="res://scripts/item.gd" id="2_t6mdl"]
+
+[sub_resource type="AtlasTexture" id="AtlasTexture_h7cm1"]
+atlas = ExtResource("1_hmnnx")
+region = Rect2(0, 16, 4, 4)
+
+[resource]
+script = ExtResource("2_t6mdl")
+display_name = &"Input1"
+preview = SubResource("AtlasTexture_h7cm1")
+stack_size = 2
+metadata/_custom_type_script = "uid://p5327ibxtyfs"
diff --git a/generic/items/dbg_input2.tres b/generic/items/dbg_input2.tres
new file mode 100644
index 0000000..cd70415
--- /dev/null
+++ b/generic/items/dbg_input2.tres
@@ -0,0 +1,15 @@
+[gd_resource type="Resource" script_class="Item" load_steps=4 format=3 uid="uid://c23vqjqnyo6f3"]
+
+[ext_resource type="Texture2D" uid="uid://gfkhedfdi7ug" path="res://sprites/atlasses/Popekko.png" id="1_7lekm"]
+[ext_resource type="Script" uid="uid://p5327ibxtyfs" path="res://scripts/item.gd" id="2_50iur"]
+
+[sub_resource type="AtlasTexture" id="AtlasTexture_7lekm"]
+atlas = ExtResource("1_7lekm")
+region = Rect2(4, 16, 4, 4)
+
+[resource]
+script = ExtResource("2_50iur")
+display_name = &"Input2"
+preview = SubResource("AtlasTexture_7lekm")
+stack_size = 2
+metadata/_custom_type_script = "uid://p5327ibxtyfs"
diff --git a/generic/items/dbg_item.tres b/generic/items/dbg_item.tres
deleted file mode 100644
index b811241..0000000
--- a/generic/items/dbg_item.tres
+++ /dev/null
@@ -1,17 +0,0 @@
-[gd_resource type="Resource" script_class="Item" load_steps=5 format=3 uid="uid://byn78mwy08ff"]
-
-[ext_resource type="Texture2D" uid="uid://gfkhedfdi7ug" path="res://sprites/atlasses/Popekko.png" id="1_1hrh7"]
-[ext_resource type="Script" uid="uid://p5327ibxtyfs" path="res://scripts/item.gd" id="1_2pbm1"]
-[ext_resource type="PackedScene" uid="uid://bbh7akfbskq4u" path="res://scenes/debug_item.tscn" id="2_1hrh7"]
-
-[sub_resource type="AtlasTexture" id="AtlasTexture_trycy"]
-atlas = ExtResource("1_1hrh7")
-region = Rect2(0, 0, 5, 5)
-
-[resource]
-script = ExtResource("1_2pbm1")
-display_name = &"Test"
-preview = SubResource("AtlasTexture_trycy")
-stack_size = 100
-scene = ExtResource("2_1hrh7")
-metadata/_custom_type_script = "uid://p5327ibxtyfs"
diff --git a/generic/items/dbg_output.tres b/generic/items/dbg_output.tres
new file mode 100644
index 0000000..6c83de5
--- /dev/null
+++ b/generic/items/dbg_output.tres
@@ -0,0 +1,15 @@
+[gd_resource type="Resource" script_class="Item" load_steps=4 format=3 uid="uid://c16fy6r43xlg1"]
+
+[ext_resource type="Texture2D" uid="uid://gfkhedfdi7ug" path="res://sprites/atlasses/Popekko.png" id="1_r3jjm"]
+[ext_resource type="Script" uid="uid://p5327ibxtyfs" path="res://scripts/item.gd" id="2_rkyi0"]
+
+[sub_resource type="AtlasTexture" id="AtlasTexture_r3jjm"]
+atlas = ExtResource("1_r3jjm")
+region = Rect2(8, 16, 4, 4)
+
+[resource]
+script = ExtResource("2_rkyi0")
+display_name = &"Output"
+preview = SubResource("AtlasTexture_r3jjm")
+stack_size = 100
+metadata/_custom_type_script = "uid://p5327ibxtyfs"
diff --git a/generic/recipes/test_recipe.tres b/generic/recipes/test_recipe.tres
new file mode 100644
index 0000000..90c0172
--- /dev/null
+++ b/generic/recipes/test_recipe.tres
@@ -0,0 +1,31 @@
+[gd_resource type="Resource" script_class="Recipe" load_steps=9 format=3 uid="uid://d2lbc1qqkayaa"]
+
+[ext_resource type="Script" uid="uid://w4v6jqv1ygqb" path="res://scripts/recipe/recipe_part.gd" id="1_no0hw"]
+[ext_resource type="Resource" uid="uid://cpjlj1vm46t08" path="res://generic/items/dbg_input1.tres" id="2_f53xa"]
+[ext_resource type="Script" uid="uid://dl0i68ut0lw70" path="res://scripts/recipe/recipe.gd" id="2_w6qf0"]
+[ext_resource type="Resource" uid="uid://c23vqjqnyo6f3" path="res://generic/items/dbg_input2.tres" id="3_heoi8"]
+[ext_resource type="Resource" uid="uid://c16fy6r43xlg1" path="res://generic/items/dbg_output.tres" id="4_0enwg"]
+
+[sub_resource type="Resource" id="Resource_q2e78"]
+script = ExtResource("1_no0hw")
+item = ExtResource("2_f53xa")
+amount = 1
+metadata/_custom_type_script = "uid://w4v6jqv1ygqb"
+
+[sub_resource type="Resource" id="Resource_ry6el"]
+script = ExtResource("1_no0hw")
+item = ExtResource("3_heoi8")
+amount = 1
+metadata/_custom_type_script = "uid://w4v6jqv1ygqb"
+
+[sub_resource type="Resource" id="Resource_ek2yb"]
+script = ExtResource("1_no0hw")
+item = ExtResource("4_0enwg")
+amount = 5
+metadata/_custom_type_script = "uid://w4v6jqv1ygqb"
+
+[resource]
+script = ExtResource("2_w6qf0")
+ingridients = Array[ExtResource("1_no0hw")]([SubResource("Resource_q2e78"), SubResource("Resource_ry6el")])
+result = SubResource("Resource_ek2yb")
+metadata/_custom_type_script = "uid://dl0i68ut0lw70"
diff --git a/scenes/conveyor.tscn b/scenes/conveyor.tscn
index a0b14a3..75144ee 100644
--- a/scenes/conveyor.tscn
+++ b/scenes/conveyor.tscn
@@ -9,15 +9,18 @@
 [sub_resource type="Resource" id="Resource_t4je2"]
 resource_local_to_scene = true
 script = ExtResource("3_ruvuk")
-capacity = 8
-progress_speed = 2.0
+capacity = 4
 pop_treshold = 0.95
-internal_array = Array[ExtResource("2_54w8r")]([Object(RefCounted,"script":ExtResource("2_54w8r"),"held_item":null,"amount":0)
-, Object(RefCounted,"script":ExtResource("2_54w8r"),"held_item":null,"amount":0)
-, Object(RefCounted,"script":ExtResource("2_54w8r"),"held_item":null,"amount":0)
-, Object(RefCounted,"script":ExtResource("2_54w8r"),"held_item":null,"amount":0)
+internal_array = Array[ExtResource("2_54w8r")]([Object(RefCounted,"script":ExtResource("2_54w8r"),"held_item":null,"amount":0,"filter":null)
+, Object(RefCounted,"script":ExtResource("2_54w8r"),"held_item":null,"amount":0,"filter":null)
+, Object(RefCounted,"script":ExtResource("2_54w8r"),"held_item":null,"amount":0,"filter":null)
+, Object(RefCounted,"script":ExtResource("2_54w8r"),"held_item":null,"amount":0,"filter":null)
+, Object(RefCounted,"script":ExtResource("2_54w8r"),"held_item":null,"amount":0,"filter":null)
+, Object(RefCounted,"script":ExtResource("2_54w8r"),"held_item":null,"amount":0,"filter":null)
+, Object(RefCounted,"script":ExtResource("2_54w8r"),"held_item":null,"amount":0,"filter":null)
+, Object(RefCounted,"script":ExtResource("2_54w8r"),"held_item":null,"amount":0,"filter":null)
 ])
-progress_array = Array[float]([0.0, 0.0, 0.0, 0.0])
+progress_array = Array[float]([0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0])
 metadata/_custom_type_script = "uid://v0hkuo3gda1b"
 
 [sub_resource type="AtlasTexture" id="AtlasTexture_54w8r"]
diff --git a/scenes/debug_assembler.tscn b/scenes/debug_assembler.tscn
index 1b8d172..0ad16e3 100644
--- a/scenes/debug_assembler.tscn
+++ b/scenes/debug_assembler.tscn
@@ -1,7 +1,17 @@
-[gd_scene load_steps=4 format=3 uid="uid://dfatkxv6n55dw"]
+[gd_scene load_steps=9 format=3 uid="uid://dfatkxv6n55dw"]
 
 [ext_resource type="Script" uid="uid://bbd7o2st8kmgl" path="res://scripts/structure.gd" id="1_k5y3y"]
-[ext_resource type="Texture2D" uid="uid://dinyjq8853usn" path="res://sprites/atlasses/Popekko.png" id="2_4befw"]
+[ext_resource type="Texture2D" uid="uid://gfkhedfdi7ug" path="res://sprites/atlasses/Popekko.png" id="2_4befw"]
+[ext_resource type="Script" uid="uid://bd4ojfqrl8idm" path="res://scripts/inventory/inventory_slot.gd" id="2_p1cyh"]
+[ext_resource type="Script" uid="uid://m6b6vawdqgqb" path="res://scripts/inventory/in_out_inventory.gd" id="3_wqoim"]
+[ext_resource type="Script" uid="uid://c7mx3uatj6ulm" path="res://scripts/structures/assembler.gd" id="5_0x00x"]
+[ext_resource type="Resource" uid="uid://d2lbc1qqkayaa" path="res://generic/recipes/test_recipe.tres" id="6_wqoim"]
+
+[sub_resource type="Resource" id="Resource_kno0u"]
+script = ExtResource("3_wqoim")
+input_capacity = 2
+output_capacity = 1
+metadata/_custom_type_script = "uid://m6b6vawdqgqb"
 
 [sub_resource type="AtlasTexture" id="AtlasTexture_xh4eg"]
 atlas = ExtResource("2_4befw")
@@ -10,7 +20,13 @@ region = Rect2(32, 0, 32, 32)
 [node name="DebugAssembler" type="Node2D"]
 script = ExtResource("1_k5y3y")
 dimensions = Rect2i(0, 0, 2, 2)
+inventory = SubResource("Resource_kno0u")
 
 [node name="Sprite2D" type="Sprite2D" parent="."]
 texture = SubResource("AtlasTexture_xh4eg")
 offset = Vector2(8, 8)
+
+[node name="Assembler" type="Node2D" parent="."]
+position = Vector2(16, 16)
+script = ExtResource("5_0x00x")
+selected_recipe = ExtResource("6_wqoim")
diff --git a/scenes/debug_item_deposit.tscn b/scenes/debug_item_deposit.tscn
index 112e6ba..87e5c19 100644
--- a/scenes/debug_item_deposit.tscn
+++ b/scenes/debug_item_deposit.tscn
@@ -16,5 +16,6 @@ metadata/_custom_type_script = "uid://bbd7o2st8kmgl"
 self_modulate = Color(1, 0, 0, 1)
 texture = SubResource("AtlasTexture_wxqk4")
 
-[node name="ItemDeposit" type="Node" parent="."]
+[node name="ItemDeposit" type="Node2D" parent="."]
 script = ExtResource("5_nh3xp")
+metadata/_custom_type_script = "uid://iidfsh0lirc2"
diff --git a/scripts/inventory/belt_inventory.gd b/scripts/inventory/belt_inventory.gd
index 32c0468..adff753 100644
--- a/scripts/inventory/belt_inventory.gd
+++ b/scripts/inventory/belt_inventory.gd
@@ -34,7 +34,7 @@ func deferred_init():
 ## Finds first entry of item. Returns -1 if no item found
 func find(item : Item) -> int:
 	for i in range(capacity):
-		if internal_array[i].held_item == item:
+		if internal_array[i].can_be_merged(item):
 			return i
 	return -1
 
@@ -58,15 +58,15 @@ func add_from_side(stack : Stack, ang_diff : float) -> Stack:
 		return internal_array[capacity-1].merge_stack(stack)
 	return add(stack)
 
-func can_add() -> bool:
+func can_add(_item : Item = null) -> bool:
 	return internal_array[0].amount == 0
 
-func can_add_from_side(ang_diff : float) -> bool:
+func can_add_from_side(ang_diff : float, item : Item = null) -> bool:
 	if is_equal_approx(abs(ang_diff),PI/2):
 		return internal_array[capacity/2].amount == 0
 	elif is_equal_approx(abs(ang_diff),PI):
 		return internal_array[capacity-1].amount == 0
-	return can_add()
+	return can_add(item)
 
 ## Tries to take first item. Returns null if no items in inventory
 func pop() -> Stack:
@@ -77,6 +77,13 @@ func pop() -> Stack:
 	stack_taken.emit(internal_array[capacity-1], capacity-1)
 	return internal_array[capacity-1].extract()
 
+func peek() -> Stack:
+	if internal_array[capacity-1].amount == 0:
+		return null
+	if progress_array[capacity-1] < pop_treshold:
+		return null
+	return internal_array[capacity-1].as_stack()
+
 func advance(delta : float) -> void:
 	var progress_flag : bool = false
 	for i in range(capacity):
diff --git a/scripts/inventory/in_out_inventory.gd b/scripts/inventory/in_out_inventory.gd
new file mode 100644
index 0000000..055c2f8
--- /dev/null
+++ b/scripts/inventory/in_out_inventory.gd
@@ -0,0 +1,94 @@
+@tool
+extends Inventory
+
+class_name InOutInventory
+
+@export var input_capacity : int
+@export var output_capacity : int
+
+@export_storage var input_array : Array[InventorySlot]
+@export_storage var output_array : Array[InventorySlot]
+
+func resize() -> void:
+	input_array.resize(input_capacity)
+	output_array.resize(output_capacity)
+	for i in range(input_capacity):
+		input_array[i] = InventorySlot.new()
+	for i in range(output_capacity):
+		output_array[i] = InventorySlot.new()
+
+func _init() -> void:
+	super()
+	resize.call_deferred()
+
+func add(stack : Stack) -> Stack:
+	var found_index : int = find_input(stack.held_item)
+	if found_index != -1:
+		stack_added.emit(stack,found_index)
+		stack = input_array[found_index].merge_stack(stack)
+		if stack == null:
+			return null
+	for i in range(input_capacity):
+		if input_array[i].can_be_merged(stack.held_item):
+			stack_added.emit(stack,i)
+			stack = input_array[i].merge_stack(stack)
+		if stack == null:
+			return null
+	return stack
+
+func add_from_side(stack : Stack, _ang_diff : float) -> Stack:
+	return add(stack)
+
+func can_add(item : Item = null) -> bool:
+	if item == null:
+		for i in range(input_capacity):
+			return input_array[i].amount == 0
+		return false
+	else:
+		for i in range(input_capacity):
+			print(input_array[i].filter)
+			if input_array[i].can_be_merged(item):
+				print(input_array[i].filter)
+				return true
+				#return true
+	return false
+
+func can_add_from_side(_ang_diff : float,item: Item = null) -> bool:
+	return can_add(item)
+
+## Tries to take first item. Returns null if no items in inventory
+func pop() -> Stack:
+	for i in range(output_capacity):
+		if output_array[i].held_item != null:
+			var extracted = output_array[i].extract()
+			stack_taken.emit(extracted,i)
+			return extracted
+	return null
+
+func peek() -> Stack:
+	for i in range(output_capacity):
+		if output_array[i].held_item != null:
+			var peeked = output_array[i].as_stack()
+			return peeked
+	return null
+
+## Tries to take certain item from inventory. Returns null if no item found
+func take(item: Item,amount: int) -> Stack:
+	var found = find(item)
+	if found == -1:
+		return null
+	var extracted = output_array[found].extract_stack(amount)
+	stack_taken.emit(extracted,found)
+	return extracted
+
+func find_input(item : Item) -> int:
+	for i in range(input_capacity):
+		if input_array[i].held_item == item:
+			return i
+	return -1
+
+func find(item : Item) -> int:
+	for i in range(output_capacity):
+		if output_array[i].held_item == item:
+			return i
+	return -1
diff --git a/scripts/inventory/in_out_inventory.gd.uid b/scripts/inventory/in_out_inventory.gd.uid
new file mode 100644
index 0000000..ce6b965
--- /dev/null
+++ b/scripts/inventory/in_out_inventory.gd.uid
@@ -0,0 +1 @@
+uid://m6b6vawdqgqb
diff --git a/scripts/inventory/inventory.gd b/scripts/inventory/inventory.gd
index 6512556..31f2331 100644
--- a/scripts/inventory/inventory.gd
+++ b/scripts/inventory/inventory.gd
@@ -18,14 +18,17 @@ func add_from_side(stack : Stack, ang_diff : float) -> Stack
 
 ## Returns if conditions of adding are met
 @abstract
-func can_add() -> bool
+func can_add(item : Item = null) -> bool
 @abstract
-func can_add_from_side(ang_diff : float) -> bool
+func can_add_from_side(ang_diff : float, item : Item = null) -> bool
 
 ## Tries to take first item. Returns null if no items in inventory
 @abstract
 func pop() -> Stack
 
+@abstract
+func peek() -> Stack
+
 ## Tries to take certain item from inventory. Returns null if no item found
 @abstract
 func take(item : Item,amount: int) -> Stack
diff --git a/scripts/inventory/inventory_slot.gd b/scripts/inventory/inventory_slot.gd
index ad4235e..a99ffc9 100644
--- a/scripts/inventory/inventory_slot.gd
+++ b/scripts/inventory/inventory_slot.gd
@@ -28,6 +28,8 @@ class_name InventorySlot
 	get:
 		return amount
 
+@export_storage var filter : Comparable
+
 ## Get some amount of items from slot. Returns null if slot is empty
 func extract_stack(extract_amount: int) -> Stack:
 	if amount == 0:
@@ -53,9 +55,26 @@ func extract() -> Stack:
 	
 	return return_stack
 
+func as_stack() -> Stack:
+	if amount == 0:
+		return null
+	
+	var return_stack : Stack = Stack.new(held_item,amount)
+	
+	return return_stack
+
+func can_be_merged(item : Item) -> bool:
+	if filter != null:
+		return filter.is_equal(item)
+	if amount == 0:
+		return true
+	return item == held_item
+
 ## Add provided stack's amount to this amount. Returns null if stack is empty or items arent matching
 func merge_stack(stack: Stack) -> Stack:
 	if held_item == null:
+		if filter != null and filter.is_equal(stack.held_item) == false:
+			return stack
 		held_item = stack.held_item
 		amount = stack.amount
 		return null
diff --git a/scripts/inventory/queue.gd b/scripts/inventory/queue.gd
deleted file mode 100644
index 45ee8cc..0000000
--- a/scripts/inventory/queue.gd
+++ /dev/null
@@ -1,81 +0,0 @@
-@tool
-
-extends Inventory
-
-## Base class for FIFO inventories.
-
-class_name Queue
-
-## Amount of stacks that can be held in storage
-@export var capacity : int:
-	set(value):
-		if value < 0:
-			return
-		if value == capacity:
-			return
-		capacity = value
-	get:
-		return capacity
-
-## :3
-@export_storage var internal_array : Array[InventorySlot] = []
-
-
-func _init() -> void:
-	super()
-	internal_array.resize(capacity)
-	for i in range(capacity):
-		internal_array[i] = InventorySlot.new()
-
-## Finds first entry of item. Returns -1 if no item found
-func find(item : Item) -> int:
-	for i in range(len(internal_array)):
-		if internal_array[i].held_item == item:
-			return i
-	return -1
-
-## Tries to add an item into inventory. Returns not stored stack of item.
-func add(stack: Stack) -> Stack:
-	for i in range(len(internal_array)):
-		if internal_array[i].held_item == null or internal_array[i].held_item == stack.held_item:
-			stack_added.emit(stack,i)
-			stack = internal_array[i].merge_stack(stack)
-		if stack == null:
-			return null
-	return stack
-
-func add_from_side(stack : Stack, _ang_diff : float) -> Stack:
-	return add(stack)
-
-func can_add() -> bool:
-	for i in range(capacity):
-		if internal_array[i].amount == 0:
-			return true
-	return false
-
-func can_add_from_side(_ang_diff : float) -> bool:
-	return can_add()
-
-## Tries to take first item. Returns null if no items in inventory
-func pop() -> Stack:
-	if internal_array[0].held_item == null:
-		return null
-	var stack_to_return = internal_array[0].extract()
-	stack_taken.emit(stack_to_return,0)
-	sort()
-	return stack_to_return
-
-## Tries to take certain item from inventory. Returns null if no item found
-func take(item: Item,amount: int) -> Stack:
-	var found = find(item)
-	if found == -1:
-		return null
-	var stack_to_return = internal_array[found].extract_stack(amount)
-	stack_taken.emit(stack_to_return,found)
-	sort()
-	return stack_to_return
-
-func sort() -> void:
-	for i in range(len(internal_array)-1):
-		if internal_array[i] == null:
-			internal_array[i].merge_stack(internal_array[i+1].extract())
diff --git a/scripts/inventory/queue.gd.uid b/scripts/inventory/queue.gd.uid
deleted file mode 100644
index c8e18b3..0000000
--- a/scripts/inventory/queue.gd.uid
+++ /dev/null
@@ -1 +0,0 @@
-uid://q2gbtqfi32d
diff --git a/scripts/inventory/storage.gd b/scripts/inventory/storage.gd
index f1d2dfe..1ef1be1 100644
--- a/scripts/inventory/storage.gd
+++ b/scripts/inventory/storage.gd
@@ -21,6 +21,9 @@ class_name Storage
 
 func _init() -> void:
 	super()
+	deferred_init.call_deferred()
+
+func deferred_init():
 	internal_array.resize(capacity)
 	for i in range(capacity):
 		internal_array[i] = InventorySlot.new()
@@ -51,14 +54,20 @@ func add(stack: Stack) -> Stack:
 func add_from_side(stack : Stack, _ang_diff : float) -> Stack:
 	return add(stack)
 
-func can_add() -> bool:
-	for i in range(capacity):
-		if internal_array[i].amount == 0:
-			return true
+func can_add(item : Item = null) -> bool:
+	if item == null:
+		for i in range(internal_array):
+			return internal_array[i].amount == 0
+		return false
+	else:
+		for i in range(internal_array):
+			if internal_array[i].amount == 0:
+				return (internal_array[i].filter != null and internal_array[i].filter.is_equal(item)) or internal_array[i].filter == null
+			return internal_array[i].held_item.is_equal(item)
 	return false
 
-func can_add_from_side(_ang_diff : float) -> bool:
-	return can_add()
+func can_add_from_side(_ang_diff : float,item : Item = null) -> bool:
+	return can_add(item)
 
 ## Tries to take first item. Returns null if no items in inventory
 func pop() -> Stack:
@@ -69,6 +78,13 @@ func pop() -> Stack:
 			return extracted
 	return null
 
+func peek() -> Stack:
+	for i in range(len(internal_array)):
+		if internal_array[i].held_item != null:
+			var peeked = internal_array[i].as_stack()
+			return peeked
+	return null
+
 ## Tries to take certain item from inventory. Returns null if no item found
 func take(item: Item,amount: int) -> Stack:
 	var found = find(item)
diff --git a/scripts/placement_manager.gd b/scripts/placement_manager.gd
index ebedeab..705ebab 100644
--- a/scripts/placement_manager.gd
+++ b/scripts/placement_manager.gd
@@ -17,7 +17,6 @@ func _input(event: InputEvent) -> void:
 			selected_prototype = null
 	
 	if event.is_action_pressed("plc_place") and delete_mode:
-		print(delete_mode)
 		var zone : PlacementZone = try_get_zone(global_position)
 		if zone != null and zone.grid_controller.is_point_occupied(global_position):
 			zone.grid_controller.destroy_at(global_position)
diff --git a/scripts/structure_behaviour.gd b/scripts/structure_behaviour.gd
new file mode 100644
index 0000000..6341888
--- /dev/null
+++ b/scripts/structure_behaviour.gd
@@ -0,0 +1,5 @@
+extends Node2D
+
+class_name StructureBehaviour
+
+@onready var structure_parent : Structure = get_parent()
diff --git a/scripts/structure_behaviour.gd.uid b/scripts/structure_behaviour.gd.uid
new file mode 100644
index 0000000..f69df85
--- /dev/null
+++ b/scripts/structure_behaviour.gd.uid
@@ -0,0 +1 @@
+uid://iidfsh0lirc2
diff --git a/scripts/structures/assembler.gd b/scripts/structures/assembler.gd
new file mode 100644
index 0000000..f107eb8
--- /dev/null
+++ b/scripts/structures/assembler.gd
@@ -0,0 +1,19 @@
+extends StructureBehaviour
+
+@export var selected_recipe : Recipe
+@onready var inventory : InOutInventory = get_parent().inventory
+
+func _ready() -> void:
+	await get_tree().process_frame
+	switch_recipe(selected_recipe)
+	await get_tree().process_frame
+	for i in len(selected_recipe.ingridients):
+		inventory.input_array[i].filter = selected_recipe.ingridients[i].item
+		print(inventory.input_array[i].filter)
+
+func switch_recipe(recipe: Recipe) -> void:
+	selected_recipe = recipe
+	inventory.input_capacity = len(selected_recipe.ingridients)
+	inventory.resize()
+	for i in len(selected_recipe.ingridients):
+		inventory.input_array[i].filter = selected_recipe.ingridients[i].item
diff --git a/scripts/structures/assembler.gd.uid b/scripts/structures/assembler.gd.uid
new file mode 100644
index 0000000..c708baf
--- /dev/null
+++ b/scripts/structures/assembler.gd.uid
@@ -0,0 +1 @@
+uid://c7mx3uatj6ulm
diff --git a/scripts/structures/belt.gd b/scripts/structures/belt.gd
index 336d835..702ab7f 100644
--- a/scripts/structures/belt.gd
+++ b/scripts/structures/belt.gd
@@ -1,7 +1,6 @@
-extends Node2D
+extends StructureBehaviour
 
-@onready var parent_structure : Structure = get_parent()
-@onready var inventory : BeltInventory = parent_structure.inventory
+@onready var inventory : BeltInventory = structure_parent.inventory
 @onready var animator : AnimationPlayer = $"../AnimationPlayer"
 
 func _ready() -> void:
@@ -14,23 +13,22 @@ func _draw() -> void:
 	for i in range(inventory.capacity):
 		if inventory.internal_array[i].amount > 0:
 			var calculated_position = calculate_position(i) - inventory.internal_array[i].held_item.preview.get_size()/2.0
-			for j in range(inventory.internal_array[i].amount/10):
-				draw_texture(inventory.internal_array[i].held_item.preview,calculated_position + Vector2(0,-j))
+			draw_texture(inventory.internal_array[i].held_item.preview,calculated_position)
 
 func _process(delta: float) -> void:
 	inventory.advance(delta)
 	queue_redraw()
 	var next : Structure = get_next()
-	if next == null or next.inventory == null or next.inventory.can_add_from_side(Globals.facing_difference(next.facing,parent_structure.facing)) == false:
+	if next == null or next.inventory == null or next.inventory.can_add_from_side(Globals.facing_difference(next.facing,structure_parent.facing),inventory.internal_array[inventory.capacity-1].held_item) == false:
 		return
 	var popped = inventory.pop()
 	if popped == null:
 		return
-	next.inventory.add_from_side(popped,Globals.facing_difference(next.facing,parent_structure.facing))
+	next.inventory.add_from_side(popped,Globals.facing_difference(next.facing,structure_parent.facing))
 
 func calculate_position(index: int) -> Vector2:
 	var indexed_part = 16.0 / inventory.capacity
-	match parent_structure.facing:
+	match structure_parent.facing:
 		Structure.Facing.RIGHT:
 			return Vector2.LEFT*8 + Vector2.RIGHT * indexed_part * (index + inventory.progress_array[index])
 		Structure.Facing.DOWN:
@@ -42,16 +40,8 @@ func calculate_position(index: int) -> Vector2:
 	return Vector2.ZERO
 
 func get_next() -> Structure:
-	match parent_structure.facing:
-		Structure.Facing.RIGHT:
-			return parent_structure.get_relative(Vector2(1,0))
-		Structure.Facing.DOWN:
-			return parent_structure.get_relative(Vector2(0,1))
-		Structure.Facing.LEFT:
-			return parent_structure.get_relative(Vector2(-1,0))
-		Structure.Facing.UP:
-			return parent_structure.get_relative(Vector2(0,-1))
-	return null
+	var faced_vector = Structure.facing_to_vector(structure_parent.facing)
+	return structure_parent.get_relative(faced_vector)
 
 func _on_conveyor_switched_facing(to: Structure.Facing) -> void:
 	match to:
diff --git a/scripts/structures/debug_item_deposit.gd b/scripts/structures/debug_item_deposit.gd
index 97e5d97..f237ef6 100644
--- a/scripts/structures/debug_item_deposit.gd
+++ b/scripts/structures/debug_item_deposit.gd
@@ -1,9 +1,15 @@
-extends Node
+extends StructureBehaviour
 
-const test_item :=preload("res://generic/items/dbg_item.tres") 
+const inp1 := preload("res://generic/items/dbg_input1.tres")
+const inp2 := preload("res://generic/items/dbg_input2.tres")
+const out := preload("res://generic/items/dbg_output.tres")
 
 func _process(_delta: float) -> void:
-	for point in [Vector2(-1,0),Vector2(1,0),Vector2(0,1),Vector2(0,-1)]:
-		var found_structure :Structure = get_parent().get_relative(point)
-		if found_structure and found_structure.inventory:
-			found_structure.inventory.add_from_side(Stack.new(test_item,randi_range(1,test_item.stack_size)),Structure.facing_to_vector(found_structure.facing).angle_to(point))
+	try_add(Vector2.UP,Stack.new(inp1,1))
+	try_add(Vector2.DOWN,Stack.new(inp2,1))
+	try_add(Vector2.RIGHT,Stack.new(out,1))
+
+func try_add(dir: Vector2,stack : Stack):
+	var found = structure_parent.get_relative(dir)
+	if found != null:
+		found.inventory.add(stack)
diff --git a/sprites/atlasses/Popekko.png b/sprites/atlasses/Popekko.png
index dfb90d7..58deff9 100644
Binary files a/sprites/atlasses/Popekko.png and b/sprites/atlasses/Popekko.png differ