diff --git a/Bullshit/PolyTest/The Big.tres b/Bullshit/PolyTest/The Big.tres
new file mode 100644
index 0000000..45330ba
--- /dev/null
+++ b/Bullshit/PolyTest/The Big.tres	
@@ -0,0 +1,12 @@
+[gd_resource type="Resource" load_steps=4 format=2]
+
+[ext_resource path="res://addons/summer_day/data/scene/scene.gd" type="Script" id=1]
+[ext_resource path="res://addons/summer_day/data/document/document.gd" type="Script" id=2]
+
+[sub_resource type="Resource" id=1]
+script = ExtResource( 1 )
+aspect_ratio = Vector2( 12, 9 )
+
+[resource]
+script = ExtResource( 2 )
+scene = SubResource( 1 )
diff --git a/addons/summer_day/data/blueprint/blueprint.gd b/addons/summer_day/data/blueprint/blueprint.gd
index 868e034..c11fbfd 100644
--- a/addons/summer_day/data/blueprint/blueprint.gd
+++ b/addons/summer_day/data/blueprint/blueprint.gd
@@ -5,8 +5,9 @@ extends Resource
 class_name SummerDayBlueprint
 
 
-var editables = []
+func create_model() -> PackedScene: # Virtual.
+	return null
 
 
-func _setup_editables():
-	pass
+func create_cell() -> SummerDayCell: # Virtual.
+	return null
diff --git a/addons/summer_day/data/document/cell.gd b/addons/summer_day/data/document/cell.gd
new file mode 100644
index 0000000..2204ae5
--- /dev/null
+++ b/addons/summer_day/data/document/cell.gd
@@ -0,0 +1,6 @@
+tool
+extends Resource
+class_name SummerDayCell
+
+
+var editable_list = []
diff --git a/addons/summer_day/data/document/document.gd b/addons/summer_day/data/document/document.gd
index 387376c..b4816c3 100644
--- a/addons/summer_day/data/document/document.gd
+++ b/addons/summer_day/data/document/document.gd
@@ -4,6 +4,14 @@ class_name SummerDayDocument
 
 
 export(Resource) var scene = _scene_generation()
+export(Array, Resource) var tracks
+
+
+func add_blueprint(blueprint: SummerDayBlueprint):
+	var track = SummerDayTrack.new()
+	track.blueprint = blueprint
+	track.add_drawing()
+	tracks.append(track)
 
 
 func _scene_generation() -> SummerDayScene:
diff --git a/addons/summer_day/data/document/track.gd b/addons/summer_day/data/document/track.gd
new file mode 100644
index 0000000..b2d300e
--- /dev/null
+++ b/addons/summer_day/data/document/track.gd
@@ -0,0 +1,12 @@
+tool
+extends Resource
+class_name SummerDayTrack
+
+
+export(Resource) var blueprint
+export(Array, Resource) var drawings
+
+
+func add_drawing():
+	var new_drawing = blueprint.duplicate(true)
+	drawings.append(new_drawing)
diff --git a/addons/summer_day/data/scene/frame.gd b/addons/summer_day/data/scene/frame.gd
new file mode 100644
index 0000000..75b0830
--- /dev/null
+++ b/addons/summer_day/data/scene/frame.gd
@@ -0,0 +1,3 @@
+tool
+extends Resource
+class_name SummerDaySceneFrame
diff --git a/addons/summer_day/summer_day.gd b/addons/summer_day/summer_day.gd
index 98b6592..39d9c06 100644
--- a/addons/summer_day/summer_day.gd
+++ b/addons/summer_day/summer_day.gd
@@ -1,6 +1,7 @@
 tool
 extends EditorPlugin
 
+signal document_changed(new_doc)
 signal sd_scene_changed(new_scene)
 
 const MainScreen = preload("res://addons/summer_day/main_screen.tscn")
@@ -21,6 +22,8 @@ func _enter_tree():
 	main_screen_instance = MainScreen.instance()
 	Canvas = main_screen_instance.get_node("Canvas")
 	Canvas.tool_context = tool_context
+	self.connect("document_changed",
+		Canvas, "_on_SummerDay_document_changed")
 	self.connect("sd_scene_changed",
 		Canvas, "_on_SummerDay_scene_changed"
 	)
@@ -79,6 +82,7 @@ func handles(object):
 
 
 func edit(object):
+	emit_signal("document_changed", object)
 	emit_signal("sd_scene_changed", object.scene)
 
 
diff --git a/addons/summer_day/tools/canvas/tools/general_use/hand.gd b/addons/summer_day/tools/canvas/tools/general_use/hand.gd
index 952fcfa..e10d8e2 100644
--- a/addons/summer_day/tools/canvas/tools/general_use/hand.gd
+++ b/addons/summer_day/tools/canvas/tools/general_use/hand.gd
@@ -13,7 +13,7 @@ var hand_grabbed = false
 func _check_for_use(event: InputEvent, tool_context: SummerDayToolContext):
 	if event is InputEventMouseButton:
 		if event.button_index == BUTTON_LEFT:
-			hand_grabbed = event.is_pressed() and event.control
+			hand_grabbed = event.is_pressed() and event.alt
 		if event.button_index == BUTTON_MIDDLE:
 			hand_grabbed = event.is_pressed()
 	
diff --git a/addons/summer_day/tools/canvas/tools/general_use/rotation.gd b/addons/summer_day/tools/canvas/tools/general_use/rotation.gd
index 566bc22..c87551e 100644
--- a/addons/summer_day/tools/canvas/tools/general_use/rotation.gd
+++ b/addons/summer_day/tools/canvas/tools/general_use/rotation.gd
@@ -15,7 +15,7 @@ func _init():
 func _check_for_use(event: InputEvent, tool_context: SummerDayToolContext):
 	if event is InputEventMouseButton:
 		if event.button_index == BUTTON_LEFT:
-			if event.is_pressed() and event.shift and event.control:
+			if event.is_pressed() and event.control and event.alt:
 				initial_transform = tool_context.canvas_state.canvas_transform
 				var canvas_center = tool_context.canvas_state.rect_size * 0.5
 				initial_angle = event.position.angle_to_point(canvas_center)
diff --git a/addons/summer_day/tools/canvas/tools/general_use/zoom.gd b/addons/summer_day/tools/canvas/tools/general_use/zoom.gd
index 424afa0..be0d058 100644
--- a/addons/summer_day/tools/canvas/tools/general_use/zoom.gd
+++ b/addons/summer_day/tools/canvas/tools/general_use/zoom.gd
@@ -5,6 +5,7 @@ class_name SummerDayZoomCanvasTool
 var zoom_activated := false
 var initial_transform: Transform2D
 var initial_mouse_position: Vector2
+var is_space_pressed = false
 
 
 func _init():
@@ -12,10 +13,16 @@ func _init():
 	modifier_layer = 1
 
 
+func _handle_global_input(event: InputEvent):
+	if event is InputEventKey:
+		if event.scancode == KEY_SPACE:
+			is_space_pressed = event.is_pressed()
+
+
 func _check_for_use(event: InputEvent, tool_context: SummerDayToolContext):
 	if event is InputEventMouseButton:
 		if event.button_index == BUTTON_LEFT:
-			if event.is_pressed() and event.shift:
+			if event.is_pressed() and is_space_pressed:
 				initial_transform = tool_context.canvas_state.canvas_transform
 				initial_mouse_position = event.position
 				zoom_activated = true
diff --git a/addons/summer_day/tools/tool_system/base_tool.gd b/addons/summer_day/tools/tool_system/base_tool.gd
index c7fc652..7cee849 100644
--- a/addons/summer_day/tools/tool_system/base_tool.gd
+++ b/addons/summer_day/tools/tool_system/base_tool.gd
@@ -5,9 +5,13 @@ var priority = 0
 var modifier_layer = 0
 
 
+func _handle_global_input(event: InputEvent): # Virtual.
+	pass
+
+
 func _check_for_use(
-		event: InputEvent, tool_context: SummerDayToolContext
-		) -> bool: # Virtual.
+	event: InputEvent, tool_context: SummerDayToolContext
+) -> bool: # Virtual.
 	return false
 
 
diff --git a/addons/summer_day/tools/tool_system/tool_pool.gd b/addons/summer_day/tools/tool_system/tool_pool.gd
index d59a052..6e2e997 100644
--- a/addons/summer_day/tools/tool_system/tool_pool.gd
+++ b/addons/summer_day/tools/tool_system/tool_pool.gd
@@ -5,6 +5,12 @@ var persistent_tool_pool = []
 var modifiable_tool_pool = []
 
 
+func pass_global_input(event):
+	for list in [persistent_tool_pool, modifiable_tool_pool]:
+		for i in list:
+			i._handle_global_input(event)
+
+
 func run_most_prior(
 		event: InputEvent, tool_context: SummerDayToolContext):
 	var priority_high_score = 0
diff --git a/addons/summer_day/user_interface/canvas/canvas.gd b/addons/summer_day/user_interface/canvas/canvas.gd
index 61d7ac0..5570319 100644
--- a/addons/summer_day/user_interface/canvas/canvas.gd
+++ b/addons/summer_day/user_interface/canvas/canvas.gd
@@ -2,6 +2,7 @@ tool
 extends PanelContainer
 class_name SummerDayCanvas
 
+var document: SummerDayDocument
 var scene: SummerDayScene
 var canvas_state := SummerDayCanvasState.new()
 var tool_pool := SummerDayCanvasToolPool.new()
@@ -13,6 +14,8 @@ func _ready():
 	tool_context.canvas_state = canvas_state
 	canvas_state.connect("view_transform_changed",
 	self, "_on_view_transform_changed")
+	canvas_state.connect("canvas_polygon_changed",
+		self, "_on_canvas_polygon_changed")
 
 
 func _gui_input(event):
@@ -27,17 +30,33 @@ func _gui_input(event):
 func _input(event):
 	if event is InputEventScreenTouch and !event.is_pressed():
 		_gui_input(event)
+	tool_pool.pass_global_input(event)
+
+
+func can_drop_data(position, data):
+	return data.has("files")
+
+
+func drop_data(position, data):
+	var file_path = data["files"][0]
+	var instance = load(file_path)
+	if instance is SummerDayBlueprint:
+		document.add_blueprint(instance)
+
+
+func _on_SummerDay_document_changed(new_doc):
+	if new_doc != document:
+		document = new_doc
 
 
 func _on_SummerDay_scene_changed(new_scene):
-	scene = new_scene
-	canvas_state.update_fill_transform(scene)
-	scene.connect("aspect_ratio_changed",
-		self, "_on_scene_aspect_ratio_changed")
-	canvas_state.connect("canvas_polygon_changed",
-	self, "_on_canvas_polygon_changed")
-	$Render/Label.text = str(scene) + "\n" + str(scene.aspect_ratio)
-	canvas_state.update_fill_transform(scene)
+	if new_scene != scene:
+		scene = new_scene
+		canvas_state.update_fill_transform(scene)
+		scene.connect("aspect_ratio_changed",
+			self, "_on_scene_aspect_ratio_changed")
+		$Render/Label.text = str(scene) + "\n" + str(scene.aspect_ratio)
+		canvas_state.update_fill_transform(scene)
 
 
 func _on_Canvas_resized():
diff --git a/production/ann.tres b/production/ann.tres
index b47eeb6..943e2e1 100644
--- a/production/ann.tres
+++ b/production/ann.tres
@@ -6,3 +6,4 @@
 [resource]
 script = ExtResource( 1 )
 scene = ExtResource( 2 )
+tracks = [  ]
diff --git a/production/blueprints/mannequin/mannequin.tres b/production/blueprints/mannequin/mannequin.tres
new file mode 100644
index 0000000..ca55e82
--- /dev/null
+++ b/production/blueprints/mannequin/mannequin.tres
@@ -0,0 +1,47 @@
+[gd_resource type="Resource" load_steps=3 format=2]
+
+[ext_resource path="res://production/blueprints/mannequin/mat.tres" type="Material" id=1]
+
+[sub_resource type="GDScript" id=1]
+script/source = "tool
+extends SummerDayBlueprint
+
+
+export(Resource) var custom_material
+var table: Image
+var model: PackedScene = null
+
+
+func _setup_editables():
+	pass
+
+func provide_model():
+	if model == null:
+		var caps = CapsuleMesh.new()
+		var arr_mesh := ArrayMesh.new()
+		arr_mesh.add_surface_from_arrays(
+			Mesh.PRIMITIVE_TRIANGLES, caps.get_mesh_arrays
+		)
+		
+		var m = MeshInstance.new()
+		m.material = custom_material
+		m.add_to_group(\"SummerDaySpatialTransform\")
+		m.mesh = arr_mesh
+		
+		table = Image.new()
+		table.create(8, 1, false, Image.FORMAT_RGBAF)
+		#
+		var texture = ImageTexture.new()
+		#
+		texture.create_from_image(table, 0)
+		m.material.set_shader_param(\"table\", table)
+	
+	
+		model = PackedScene.new()
+		var result = model.pack(m)
+	return model
+"
+
+[resource]
+script = SubResource( 1 )
+custom_material = ExtResource( 1 )
diff --git a/production/blueprints/mannequin/mat.tres b/production/blueprints/mannequin/mat.tres
new file mode 100644
index 0000000..d5410b1
--- /dev/null
+++ b/production/blueprints/mannequin/mat.tres
@@ -0,0 +1,51 @@
+[gd_resource type="ShaderMaterial" load_steps=2 format=2]
+
+[sub_resource type="Shader" id=1]
+code = "shader_type spatial;
+render_mode blend_mix,depth_draw_opaque,cull_disabled,skip_vertex_transform;
+
+
+uniform mat3 canvas_transform;
+uniform sampler2D table : hint_albedo;
+
+
+vec4 indx(int i) {
+	//return vec4(1.0, 1.0, 0.0, 1.0);
+	return textureLod(table, vec2(float(i) * 0.125 + 0.0625), 0);
+}
+
+void vertex() {
+	vec4 row0;
+	vec4 row1;
+	vec4 row2;
+	vec4 row3;
+	
+	if (VERTEX.z >= 0.0) {
+		row0 = vec4(indx(0).x, indx(0).y, indx(0).z, indx(0).w);
+		row1 = vec4(indx(1).x, indx(1).y, indx(1).z, indx(1).w);
+		row2 = vec4(indx(2).x, indx(2).y, indx(2).z, indx(2).w);
+		row3 = vec4(indx(3).x, indx(3).y, indx(3).z, indx(3).w);
+	}
+	else {
+		row0 = vec4(indx(4).x, indx(4).y, indx(4).z, indx(4).w);
+		row1 = vec4(indx(5).x, indx(5).y, indx(5).z, indx(5).w);
+		row2 = vec4(indx(6).x, indx(6).y, indx(6).z, indx(6).w);
+		row3 = vec4(indx(7).x, indx(7).y, indx(7).z, indx(7).w);
+	}
+	mat4 crank_matrix = mat4(row0, row1, row2, row3);
+	
+	
+	vec4 pre = vec4(VERTEX, 1.0) * crank_matrix;
+	vec3 transformed_xy = vec3(pre.xy, 1.0) * transpose(canvas_transform);
+	vec4 post = vec4(transformed_xy.x, transformed_xy.y, pre.z, pre.w);
+	POSITION = post;
+	VERTEX = (post / post.w).xyz;
+}
+
+void fragment() {
+	ALBEDO = vec3(0.33, 0.81, 0.95);
+}"
+
+[resource]
+shader = SubResource( 1 )
+shader_param/canvas_transform = null
diff --git a/project.godot b/project.godot
index 371fbcf..380c3b8 100644
--- a/project.godot
+++ b/project.godot
@@ -59,6 +59,11 @@ _global_script_classes=[ {
 "language": "GDScript",
 "path": "res://addons/summer_day/tools/canvas/tools/tool_pool.gd"
 }, {
+"base": "Resource",
+"class": "SummerDayCell",
+"language": "GDScript",
+"path": "res://addons/summer_day/data/document/cell.gd"
+}, {
 "base": "Control",
 "class": "SummerDayDisplay",
 "language": "GDScript",
@@ -109,6 +114,11 @@ _global_script_classes=[ {
 "language": "GDScript",
 "path": "res://addons/summer_day/data/scene/scene.gd"
 }, {
+"base": "Resource",
+"class": "SummerDaySceneFrame",
+"language": "GDScript",
+"path": "res://addons/summer_day/data/scene/frame.gd"
+}, {
 "base": "EditorInspectorPlugin",
 "class": "SummerDayScenePicker",
 "language": "GDScript",
@@ -134,6 +144,11 @@ _global_script_classes=[ {
 "language": "GDScript",
 "path": "res://addons/summer_day/tools/tool_system/tool_pool.gd"
 }, {
+"base": "Resource",
+"class": "SummerDayTrack",
+"language": "GDScript",
+"path": "res://addons/summer_day/data/document/track.gd"
+}, {
 "base": "Viewport",
 "class": "SummerDayViewportHandler",
 "language": "GDScript",
@@ -160,6 +175,7 @@ _global_script_class_icons={
 "SummerDayCanvas": "",
 "SummerDayCanvasState": "",
 "SummerDayCanvasToolPool": "",
+"SummerDayCell": "",
 "SummerDayDisplay": "",
 "SummerDayDocument": "",
 "SummerDayEditable": "",
@@ -170,11 +186,13 @@ _global_script_class_icons={
 "SummerDayMathHelper": "",
 "SummerDayRotationCanvasTool": "",
 "SummerDayScene": "",
+"SummerDaySceneFrame": "",
 "SummerDayScenePicker": "",
 "SummerDayTimeline": "",
 "SummerDayTool": "",
 "SummerDayToolContext": "",
 "SummerDayToolPool": "",
+"SummerDayTrack": "",
 "SummerDayViewportHandler": "",
 "SummerDayZoomCanvasTool": "",
 "VeryWorse": ""