diff --git a/src/documentwindow.cpp b/src/documentwindow.cpp
index 957234d0..171a39f9 100644
--- a/src/documentwindow.cpp
+++ b/src/documentwindow.cpp
@@ -973,6 +973,7 @@ DocumentWindow::DocumentWindow() :
     connect(m_document, &Document::partColorStateChanged, partTreeWidget, &PartTreeWidget::partColorStateChanged);
     connect(m_document, &Document::partCutRotationChanged, partTreeWidget, &PartTreeWidget::partCutRotationChanged);
     connect(m_document, &Document::partCutFaceChanged, partTreeWidget, &PartTreeWidget::partCutFaceChanged);
+    connect(m_document, &Document::partHollowThicknessChanged, partTreeWidget, &PartTreeWidget::partHollowThicknessChanged);
     connect(m_document, &Document::partMaterialIdChanged, partTreeWidget, &PartTreeWidget::partMaterialIdChanged);
     connect(m_document, &Document::partColorSolubilityChanged, partTreeWidget, &PartTreeWidget::partColorSolubilityChanged);
     connect(m_document, &Document::partRemoved, partTreeWidget, &PartTreeWidget::partRemoved);
diff --git a/src/parttreewidget.cpp b/src/parttreewidget.cpp
index 4bd8bbd1..f6f62a7f 100644
--- a/src/parttreewidget.cpp
+++ b/src/parttreewidget.cpp
@@ -992,6 +992,17 @@ void PartTreeWidget::partCutFaceChanged(QUuid partId)
     widget->updateCutRotationButton();
 }
 
+void PartTreeWidget::partHollowThicknessChanged(QUuid partId)
+{
+    auto item = m_partItemMap.find(partId);
+    if (item == m_partItemMap.end()) {
+        qDebug() << "Part item not found:" << partId;
+        return;
+    }
+    PartWidget *widget = (PartWidget *)itemWidget(item->second, 0);
+    widget->updateCutRotationButton();
+}
+
 void PartTreeWidget::partMaterialIdChanged(QUuid partId)
 {
     auto item = m_partItemMap.find(partId);
diff --git a/src/parttreewidget.h b/src/parttreewidget.h
index e9c12f95..2feebb40 100644
--- a/src/parttreewidget.h
+++ b/src/parttreewidget.h
@@ -66,6 +66,7 @@ public slots:
     void partColorStateChanged(QUuid partId);
     void partCutRotationChanged(QUuid partId);
     void partCutFaceChanged(QUuid partId);
+    void partHollowThicknessChanged(QUuid partId);
     void partMaterialIdChanged(QUuid partId);
     void partColorSolubilityChanged(QUuid partId);
     void partChecked(QUuid partId);
diff --git a/src/skeletondocument.h b/src/skeletondocument.h
index a845c13e..60a65173 100644
--- a/src/skeletondocument.h
+++ b/src/skeletondocument.h
@@ -237,7 +237,7 @@ public:
     }
     bool cutAdjusted() const
     {
-        return cutRotationAdjusted() || cutFaceAdjusted();
+        return cutRotationAdjusted() || cutFaceAdjusted() || hollowThicknessAdjusted();
     }
     bool materialAdjusted() const
     {