diff -r b48f3fd2664b -r f5eb947a2e7f src/dialogs/circularprimitiveeditor.ui
--- a/src/dialogs/circularprimitiveeditor.ui	Tue Jun 19 22:45:10 2018 +0300
+++ b/src/dialogs/circularprimitiveeditor.ui	Tue Jun 19 23:18:58 2018 +0300
@@ -66,6 +66,13 @@
        </property>
       </widget>
      </item>
+     <item row="3" column="1">
+      <widget class="QCheckBox" name="inverted">
+       <property name="text">
+        <string>Inverted</string>
+       </property>
+      </widget>
+     </item>
     </layout>
    </item>
    <item>