Add the 10 first line of the editor (the hardest ones)

editor/SignSymb.tscn

+[gd_scene format=2]
+
+[node name="SignSymb" type="Control"]
+margin_right = 35.0
+margin_bottom = 14.0
+__meta__ = {
+"_edit_group_": true
+}
+
+[node name="Label" type="Label" parent="."]
+margin_right = 35.0
+margin_bottom = 14.0
+mouse_filter = 1
+mouse_default_cursor_shape = 1
+text = "A....Z"
+

editor/WorkSpace.gd

+extends Container
+
+# WorkSpace
+
+# handles speech display 
+
+# Classes
+
+export (PackedScene) var SignSymb
+
+# Properties
+
+export var sep = Vector2(5, 5)
+
+var text = []
+
+
+# puts the SignSymbs in the grid
+func dispose_childs():
+	if text == []:
+		return
+	
+	var symb_size = text[0].get_size()
+	var space = symb_size + sep
+	var pos = Vector2(0, 0)
+	print(symb_size, space, pos)
+	
+	for symb in text:
+		if pos.x + symb_size.x > rect_size.x: # Line Wrapping
+			pos.y += space.y
+			pos.x = 0
+			
+		print(pos.x)
+		fit_child_in_rect(symb, Rect2(pos, rect_size))
+		pos.x += space.x
+		
+
+func test():
+	var symb
+	for i in range(20):
+		symb = SignSymb.instance()
+		add_child(symb)
+		text.append(symb)
+	
+	dispose_childs()
+
+# Called when the node enters the scene tree for the first time.
+func _ready():
+	test()
+
+# Called every frame. 'delta' is the elapsed time since the previous frame.
+#func _process(delta):
+#	pass

editor/WorkSpace.tscn

+[gd_scene load_steps=3 format=2]
+
+[ext_resource path="res://WorkSpace.gd" type="Script" id=1]
+[ext_resource path="res://SignSymb.tscn" type="PackedScene" id=2]
+
+[node name="WorkSpace" type="Container"]
+margin_right = 620.0
+margin_bottom = 480.0
+script = ExtResource( 1 )
+SignSymb = ExtResource( 2 )
+

editor/default_env.tres

+[gd_resource type="Environment" load_steps=2 format=2]
+
+[sub_resource type="ProceduralSky" id=1]
+
+[resource]
+background_mode = 2
+background_sky = SubResource( 1 )
+

editor/project.godot

+; Engine configuration file.
+; It's best edited using the editor UI and not directly,
+; since the parameters that go here are not all obvious.
+;
+; Format:
+;   [section] ; section goes between []
+;   param=value ; assign values to parameters
+
+config_version=4
+
+_global_script_classes=[  ]
+_global_script_class_icons={
+
+}
+
+[application]
+
+config/name="Editor"
+config/icon="res://icon.png"
+
+[rendering]
+
+quality/driver/driver_name="GLES2"
+vram_compression/import_etc=true
+vram_compression/import_etc2=false
+environment/default_environment="res://default_env.tres"