diff --git a/__init__.py b/__init__.py
index eb6bdf7..feb6424 100644
--- a/__init__.py
+++ b/__init__.py
@@ -408,13 +408,18 @@ class FONT3D_PT_FontCreation(bpy.types.Panel):
         font3d = scene.font3d
         font3d_data = scene.font3d_data
 
-        layout.label(text="font creation")
-        layout.row().prop(font3d, "import_infix")
+        layout.row().label(text="Font name import infix:")
+        layout.row().prop(font3d, "import_infix", text="")
         layout.row().operator('font3d.create_font_from_objects', text='Create Font')
         layout.row().operator('font3d.save_font_to_file', text='Save Font To File')
         layout.row().operator('font3d.toggle_font3d_collection', text='Toggle Collection')
-        layout.row().operator('font3d.temporaryhelper', text='Temporary Helper')
-        layout.label(text='DEBUG END')
+        box = layout.box()
+        box.label(text="metrics")
+        box.row().operator(f"{__name__}.add_default_metrics", text='Add Default Metrics')
+        box.row().operator(f"{__name__}.remove_metrics", text='Remove Metrics')
+        box.row().operator(f"{__name__}.align_metrics", text='Align Metrics')
+        box.row().operator(f"{__name__}.align_metrics_to_active_object", text='Align Metrics to Active Object')
+        layout.row().operator('font3d.temporaryhelper', text='Debug Function Do Not Use')
 
 class FONT3D_PT_TextPropertiesPanel(bpy.types.Panel):
     bl_label = "Text Properties"
@@ -487,6 +492,50 @@ class FONT3D_OT_LoadFont(bpy.types.Operator):
 
         return {'FINISHED'}
 
+class FONT3D_OT_AddDefaultMetrics(bpy.types.Operator):
+    """Add default metrics to selected objects"""
+    bl_idname = f"{__name__}.add_default_metrics"
+    bl_label = "Add default metrics"
+    bl_options = {'REGISTER', 'UNDO'}
+
+    def execute(self, context):
+        objects = bpy.context.selected_objects
+        butils.add_default_metrics_to_objects(objects)
+        return {'FINISHED'}
+
+class FONT3D_OT_RemoveMetrics(bpy.types.Operator):
+    """Remove metrics from selected objects"""
+    bl_idname = f"{__name__}.remove_metrics"
+    bl_label = "Remove metrics"
+    bl_options = {'REGISTER', 'UNDO'}
+
+    def execute(self, context):
+        objects = bpy.context.selected_objects
+        butils.remove_metrics_from_objects(objects)
+        return {'FINISHED'}
+
+class FONT3D_OT_AlignMetricsToActiveObject(bpy.types.Operator):
+    """Align metrics of selected objects to metrics of active object"""
+    bl_idname = f"{__name__}.align_metrics_to_active_object"
+    bl_label = "Align metrics to active object"
+    bl_options = {'REGISTER', 'UNDO'}
+
+    def execute(self, context):
+        objects = bpy.context.selected_objects
+        butils.align_metrics_of_objects_to_active_object(objects)
+        return {'FINISHED'}
+
+class FONT3D_OT_AlignMetrics(bpy.types.Operator):
+    """Align metrics of selected objects to each other"""
+    bl_idname = f"{__name__}.align_metrics"
+    bl_label = "Align metrics"
+    bl_options = {'REGISTER', 'UNDO'}
+
+    def execute(self, context):
+        objects = bpy.context.selected_objects
+        butils.align_metrics_of_objects(objects)
+        return {'FINISHED'}
+
 class FONT3D_OT_TemporaryHelper(bpy.types.Operator):
     """Temp Font 3D"""
     bl_idname = f"{__name__}.temporaryhelper"
@@ -498,7 +547,16 @@ class FONT3D_OT_TemporaryHelper(bpy.types.Operator):
         scene = bpy.context.scene
         font3d_data = scene.font3d_data
 
-        font3d_data.available_texts.clear()
+        objects = bpy.context.selected_objects
+        butils.add_default_metrics_to_objects(objects)
+        # reference_bound_box = None
+        # for o in objects:
+            # bb = o.bound_box
+            # reference_bound_box = butils.get_max_bound_box(bb, reference_bound_box)
+        # for o in objects:
+            # metrics = butils.get_metrics_bound_box(o.bound_box, reference_bound_box)
+            # butils.add_metrics_obj_from_bound_box(o, metrics)
+        # bpy.app.timers.register(lambda: butils.remove_metrics_from_objects(objects), first_interval=5)
 
         return {'FINISHED'}
 
@@ -663,7 +721,7 @@ class FONT3D_OT_SaveFontToFile(bpy.types.Operator):
 
 
 class FONT3D_OT_CreateFontFromObjects(bpy.types.Operator):
-    """Create Font from open objects"""
+    """Create Font from selected objects"""
     bl_idname = f"{__name__}.create_font_from_objects"
     bl_label = "Create Font"
     bl_options = {'REGISTER', 'UNDO'}
@@ -685,13 +743,13 @@ class FONT3D_OT_CreateFontFromObjects(bpy.types.Operator):
 
         added_font = False
 
+        # TODO: do not clear
         font3d_data.available_fonts.clear()
         Font.fonts = {}
-
         currentObjects = []
-        for o in bpy.data.objects:
+        for o in context.selected_objects:
             if o.name not in currentObjects:
-                if font3d.import_infix in o.name:
+                if font3d.import_infix in o.name and not butils.is_metrics_obj(o):
                     uc = o.users_collection
                     regex = f"{font3d.import_infix}(.)*"
                     name = re.sub(regex, "", o.name) 
@@ -801,6 +859,10 @@ classes = (
             FONT3D_PT_TextManagement,
             FONT3D_PT_FontCreation,
             FONT3D_PT_TextPropertiesPanel,
+            FONT3D_OT_AddDefaultMetrics,
+            FONT3D_OT_RemoveMetrics,
+            FONT3D_OT_AlignMetricsToActiveObject,
+            FONT3D_OT_AlignMetrics,
             FONT3D_OT_TemporaryHelper,
             FONT3D_OT_PlaceText,
             FONT3D_OT_LoadFont,