diff --git a/Schema_new.dia b/Schema_new.dia
index 0df8a901..ad987cfa 100644
Binary files a/Schema_new.dia and b/Schema_new.dia differ
diff --git a/seminar/migrations/0077_auto_20200318_2146.py b/seminar/migrations/0077_auto_20200318_2146.py
new file mode 100644
index 00000000..50053d9c
--- /dev/null
+++ b/seminar/migrations/0077_auto_20200318_2146.py
@@ -0,0 +1,32 @@
+# Generated by Django 2.2.9 on 2020-03-18 20:46
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('seminar', '0076_auto_20200228_2013'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='CastNode',
+            fields=[
+                ('treenode_ptr', models.OneToOneField(auto_created=True, on_delete=django.db.models.deletion.CASCADE, parent_link=True, primary_key=True, serialize=False, to='seminar.TreeNode')),
+                ('nadpis', models.CharField(help_text='Nadpis podvěšené části obsahu', max_length=100, verbose_name='Nadpis')),
+            ],
+            options={
+                'verbose_name': 'Část (Node)',
+                'verbose_name_plural': 'Části (Node)',
+                'db_table': 'seminar_nodes_cast',
+            },
+            bases=('seminar.treenode',),
+        ),
+        migrations.AlterField(
+            model_name='treenode',
+            name='first_child',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='father_of_first', to='seminar.TreeNode', verbose_name='první potomek'),
+        ),
+    ]
diff --git a/seminar/models.py b/seminar/models.py
index d1040739..25e4130d 100644
--- a/seminar/models.py
+++ b/seminar/models.py
@@ -1230,6 +1230,8 @@ class Obrazek(SeminarModelBase):
 			help_text = 'Černobílá verze obrázku do čísla', 
 			upload_to = 'obrazky/%Y/%m/%d/', blank=True, null=True)
 
+	# TODO placement hint - chci ho tady / pred textem / za textem
+
 class TreeNode(PolymorphicModel):
 	class Meta:
 		db_table = "seminar_nodes_treenode"
@@ -1464,6 +1466,14 @@ class TextNode(TreeNode):
 	def getOdkazStr(self):
 		return str(self.text)
 
+class CastNode(TreeNode):
+	class Meta:
+		db_table = 'seminar_nodes_cast'
+		verbose_name = 'Část (Node)'
+		verbose_name_plural = 'Části (Node)'
+	
+	nadpis = models.CharField('Nadpis', max_length=100, help_text = 'Nadpis podvěšené části obsahu')
+
 
 ## FIXME: Logiku přesunout do views.
 #class VysledkyBase(SeminarModelBase):