diff --git a/src/app/puzzle/dialogs/dialogsavemanuallayout.cpp b/src/app/puzzle/dialogs/dialogsavemanuallayout.cpp
index 52a23e571..4e85c3efc 100644
--- a/src/app/puzzle/dialogs/dialogsavemanuallayout.cpp
+++ b/src/app/puzzle/dialogs/dialogsavemanuallayout.cpp
@@ -205,16 +205,6 @@ void DialogSaveManualLayout::SetBinaryDXFFormat(bool binary)
         case LayoutExportFormats::DXF_AC1027_ASTM:
             ui->checkBoxBinaryDXF->setChecked(binary);
             break;
-        case LayoutExportFormats::SVG:
-        case LayoutExportFormats::PDF:
-        case LayoutExportFormats::PDFTiled:
-        case LayoutExportFormats::PNG:
-        case LayoutExportFormats::OBJ:
-        case LayoutExportFormats::PS:
-        case LayoutExportFormats::EPS:
-        case LayoutExportFormats::NC:
-        case LayoutExportFormats::RLD:
-        case LayoutExportFormats::TIF:
         default:
             ui->checkBoxBinaryDXF->setChecked(false);
             break;
@@ -254,16 +244,6 @@ auto DialogSaveManualLayout::IsBinaryDXFFormat() const -> bool
         case LayoutExportFormats::DXF_AC1024_ASTM:
         case LayoutExportFormats::DXF_AC1027_ASTM:
             return ui->checkBoxBinaryDXF->isChecked();
-        case LayoutExportFormats::SVG:
-        case LayoutExportFormats::PDF:
-        case LayoutExportFormats::PDFTiled:
-        case LayoutExportFormats::PNG:
-        case LayoutExportFormats::OBJ:
-        case LayoutExportFormats::PS:
-        case LayoutExportFormats::EPS:
-        case LayoutExportFormats::NC:
-        case LayoutExportFormats::RLD:
-        case LayoutExportFormats::TIF:
         default:
             return false;
     }
@@ -318,44 +298,10 @@ void DialogSaveManualLayout::SetExportUnified(bool value)
         case LayoutExportFormats::EPS:
             ui->checkBoxExportUnified->setChecked(value);
             break;
-        case LayoutExportFormats::DXF_AC1006_Flat:
-        case LayoutExportFormats::DXF_AC1009_Flat:
-        case LayoutExportFormats::DXF_AC1012_Flat:
-        case LayoutExportFormats::DXF_AC1014_Flat:
-        case LayoutExportFormats::DXF_AC1015_Flat:
-        case LayoutExportFormats::DXF_AC1018_Flat:
-        case LayoutExportFormats::DXF_AC1021_Flat:
-        case LayoutExportFormats::DXF_AC1024_Flat:
-        case LayoutExportFormats::DXF_AC1027_Flat:
-        case LayoutExportFormats::DXF_AC1006_AAMA:
-        case LayoutExportFormats::DXF_AC1009_AAMA:
-        case LayoutExportFormats::DXF_AC1012_AAMA:
-        case LayoutExportFormats::DXF_AC1014_AAMA:
-        case LayoutExportFormats::DXF_AC1015_AAMA:
-        case LayoutExportFormats::DXF_AC1018_AAMA:
-        case LayoutExportFormats::DXF_AC1021_AAMA:
-        case LayoutExportFormats::DXF_AC1024_AAMA:
-        case LayoutExportFormats::DXF_AC1027_AAMA:
-        case LayoutExportFormats::DXF_AC1006_ASTM:
-        case LayoutExportFormats::DXF_AC1009_ASTM:
-        case LayoutExportFormats::DXF_AC1012_ASTM:
-        case LayoutExportFormats::DXF_AC1014_ASTM:
-        case LayoutExportFormats::DXF_AC1015_ASTM:
-        case LayoutExportFormats::DXF_AC1018_ASTM:
-        case LayoutExportFormats::DXF_AC1021_ASTM:
-        case LayoutExportFormats::DXF_AC1024_ASTM:
-        case LayoutExportFormats::DXF_AC1027_ASTM:
-        case LayoutExportFormats::SVG:
-        case LayoutExportFormats::PNG:
-        case LayoutExportFormats::OBJ:
-        case LayoutExportFormats::NC:
-        case LayoutExportFormats::RLD:
-        case LayoutExportFormats::TIF:
         default:
             ui->checkBoxExportUnified->setChecked(false);
             break;
     }
-
 }
 
 //---------------------------------------------------------------------------------------------------------------------
@@ -368,39 +314,32 @@ auto DialogSaveManualLayout::IsExportUnified() const -> bool
         case LayoutExportFormats::PS:
         case LayoutExportFormats::EPS:
             return ui->checkBoxExportUnified->isChecked();
-        case LayoutExportFormats::DXF_AC1006_Flat:
-        case LayoutExportFormats::DXF_AC1009_Flat:
-        case LayoutExportFormats::DXF_AC1012_Flat:
-        case LayoutExportFormats::DXF_AC1014_Flat:
-        case LayoutExportFormats::DXF_AC1015_Flat:
-        case LayoutExportFormats::DXF_AC1018_Flat:
-        case LayoutExportFormats::DXF_AC1021_Flat:
-        case LayoutExportFormats::DXF_AC1024_Flat:
-        case LayoutExportFormats::DXF_AC1027_Flat:
-        case LayoutExportFormats::DXF_AC1006_AAMA:
-        case LayoutExportFormats::DXF_AC1009_AAMA:
-        case LayoutExportFormats::DXF_AC1012_AAMA:
-        case LayoutExportFormats::DXF_AC1014_AAMA:
-        case LayoutExportFormats::DXF_AC1015_AAMA:
-        case LayoutExportFormats::DXF_AC1018_AAMA:
-        case LayoutExportFormats::DXF_AC1021_AAMA:
-        case LayoutExportFormats::DXF_AC1024_AAMA:
-        case LayoutExportFormats::DXF_AC1027_AAMA:
-        case LayoutExportFormats::DXF_AC1006_ASTM:
-        case LayoutExportFormats::DXF_AC1009_ASTM:
-        case LayoutExportFormats::DXF_AC1012_ASTM:
-        case LayoutExportFormats::DXF_AC1014_ASTM:
-        case LayoutExportFormats::DXF_AC1015_ASTM:
-        case LayoutExportFormats::DXF_AC1018_ASTM:
-        case LayoutExportFormats::DXF_AC1021_ASTM:
-        case LayoutExportFormats::DXF_AC1024_ASTM:
-        case LayoutExportFormats::DXF_AC1027_ASTM:
-        case LayoutExportFormats::SVG:
-        case LayoutExportFormats::PNG:
-        case LayoutExportFormats::OBJ:
-        case LayoutExportFormats::NC:
-        case LayoutExportFormats::RLD:
-        case LayoutExportFormats::TIF:
+        default:
+            return false;
+    }
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void DialogSaveManualLayout::SetTilesScheme(bool value)
+{
+    switch(Format())
+    {
+        case LayoutExportFormats::PDFTiled:
+            ui->checkBoxTilesScheme->setChecked(value);
+            break;
+        default:
+            ui->checkBoxTilesScheme->setChecked(false);
+            break;
+    }
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+bool DialogSaveManualLayout::IsTilesScheme() const
+{
+    switch(Format())
+    {
+        case LayoutExportFormats::PDFTiled:
+            return ui->checkBoxTilesScheme->isChecked();
         default:
             return false;
     }
@@ -503,6 +442,7 @@ void DialogSaveManualLayout::ShowExample()
     ui->checkBoxBinaryDXF->setEnabled(false);
     ui->checkBoxTextAsPaths->setEnabled(true);
     ui->checkBoxExportUnified->setEnabled(false);
+    ui->checkBoxTilesScheme->setEnabled(false);
 
     switch(currentFormat)
     {
@@ -539,6 +479,9 @@ void DialogSaveManualLayout::ShowExample()
             ui->checkBoxTextAsPaths->setEnabled(false);
             break;
         case LayoutExportFormats::PDFTiled:
+            ui->checkBoxTilesScheme->setEnabled(true);
+            ui->checkBoxExportUnified->setEnabled(true);
+            break;
         case LayoutExportFormats::PDF:
         case LayoutExportFormats::PS:
         case LayoutExportFormats::EPS:
diff --git a/src/app/puzzle/dialogs/dialogsavemanuallayout.h b/src/app/puzzle/dialogs/dialogsavemanuallayout.h
index 8fa47a3a3..8d2bb065c 100644
--- a/src/app/puzzle/dialogs/dialogsavemanuallayout.h
+++ b/src/app/puzzle/dialogs/dialogsavemanuallayout.h
@@ -62,6 +62,9 @@ public:
     void SetExportUnified(bool value);
     auto IsExportUnified() const -> bool;
 
+    void SetTilesScheme(bool value);
+    auto IsTilesScheme() const -> bool;
+
 protected:
     virtual void showEvent(QShowEvent *event) override;
 
diff --git a/src/app/puzzle/dialogs/dialogsavemanuallayout.ui b/src/app/puzzle/dialogs/dialogsavemanuallayout.ui
index c494d4685..f14638ab3 100644
--- a/src/app/puzzle/dialogs/dialogsavemanuallayout.ui
+++ b/src/app/puzzle/dialogs/dialogsavemanuallayout.ui
@@ -141,6 +141,16 @@
           </property>
          </widget>
         </item>
+        <item>
+         <widget class="QCheckBox" name="checkBoxTilesScheme">
+          <property name="enabled">
+           <bool>false</bool>
+          </property>
+          <property name="text">
+           <string>Tiles scheme</string>
+          </property>
+         </widget>
+        </item>
        </layout>
       </widget>
      </item>
diff --git a/src/app/puzzle/layout/vppiece.cpp b/src/app/puzzle/layout/vppiece.cpp
index b422c71d1..a71390392 100644
--- a/src/app/puzzle/layout/vppiece.cpp
+++ b/src/app/puzzle/layout/vppiece.cpp
@@ -155,7 +155,7 @@ void VPPiece::Update(const VPPiecePtr &piece)
 }
 
 //---------------------------------------------------------------------------------------------------------------------
-QString VPPiece::GetUniqueID() const
+auto VPPiece::GetUniqueID() const -> QString
 {
     QString id = VLayoutPiece::GetUniqueID();
 
diff --git a/src/app/puzzle/layout/vpsheet.cpp b/src/app/puzzle/layout/vpsheet.cpp
index c54cd4cf8..968215fbc 100644
--- a/src/app/puzzle/layout/vpsheet.cpp
+++ b/src/app/puzzle/layout/vpsheet.cpp
@@ -255,6 +255,31 @@ void VPSheetSceneData::SetTextAsPaths(bool textAsPaths) const
     }
 }
 
+//---------------------------------------------------------------------------------------------------------------------
+void VPSheetSceneData::PrepareTilesScheme()
+{
+    VPLayoutPtr layout = m_layout.toStrongRef();
+    if (not layout.isNull())
+    {
+        m_showTilesSchemeTmp = layout->LayoutSettings().GetShowTiles();
+        layout->LayoutSettings().SetShowTiles(true);
+    }
+
+    RefreshLayout();
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void VPSheetSceneData::ClearTilesScheme()
+{
+    VPLayoutPtr layout = m_layout.toStrongRef();
+    if (not layout.isNull())
+    {
+        layout->LayoutSettings().SetShowTiles(m_showTilesSchemeTmp);
+    }
+
+    RefreshLayout();
+}
+
 //---------------------------------------------------------------------------------------------------------------------
 void VPSheetSceneData::ConnectPiece(VPGraphicsPiece *piece)
 {
diff --git a/src/app/puzzle/layout/vpsheet.h b/src/app/puzzle/layout/vpsheet.h
index 0aa97d468..e42082968 100644
--- a/src/app/puzzle/layout/vpsheet.h
+++ b/src/app/puzzle/layout/vpsheet.h
@@ -84,6 +84,9 @@ public:
 
     void SetTextAsPaths(bool textAsPaths) const;
 
+    void PrepareTilesScheme();
+    void ClearTilesScheme();
+
 private:
     Q_DISABLE_COPY(VPSheetSceneData)
 
@@ -105,6 +108,8 @@ private:
      */
     bool m_showTilesTmp{false};
 
+    bool m_showTilesSchemeTmp{false};
+
     /**
      * variable to hold temporarly hte value of the show grid
      */
diff --git a/src/app/puzzle/vpmainwindow.cpp b/src/app/puzzle/vpmainwindow.cpp
index 09f9e0f0c..f5e0be6b3 100644
--- a/src/app/puzzle/vpmainwindow.cpp
+++ b/src/app/puzzle/vpmainwindow.cpp
@@ -156,6 +156,7 @@ struct VPExportData
     bool isBinaryDXF{false};
     bool textAsPaths{false};
     bool exportUnified{true};
+    bool showTilesScheme{false};
 };
 
 //---------------------------------------------------------------------------------------------------------------------
@@ -2440,27 +2441,6 @@ void VPMainWindow::ExportPdfTiledFile(const VPExportData &data)
     printer.setCreator(QGuiApplication::applicationDisplayName() + QChar(QChar::Space) +
                         QCoreApplication::applicationVersion());
 
-    QPageLayout::Orientation tiledPDFOrientation = m_layout->LayoutSettings().GetTilesOrientation();
-
-    QSizeF tileSize = m_layout->LayoutSettings().GetTilesSize(Unit::Mm);
-    QSizeF pageSize = tiledPDFOrientation == QPageLayout::Portrait ? tileSize
-                                                                   : QSizeF(tileSize.height(), tileSize.width());
-    if (not printer.setPageSize(QPageSize(pageSize, QPageSize::Millimeter)))
-    {
-        qWarning() << tr("Cannot set printer page size");
-    }
-
-    printer.setPageOrientation(tiledPDFOrientation);
-    printer.setFullPage(m_layout->LayoutSettings().IgnoreTilesMargins());
-
-    if (not m_layout->LayoutSettings().IgnoreTilesMargins())
-    {
-        if (not printer.setPageMargins(m_layout->LayoutSettings().GetTilesMargins(Unit::Mm), QPageLayout::Millimeter))
-        {
-            qWarning() << tr("Cannot set printer margins");
-        }
-    }
-
     printer.setResolution(static_cast<int>(PrintDPI));
 
     if (data.exportUnified)
@@ -2471,25 +2451,11 @@ void VPMainWindow::ExportPdfTiledFile(const VPExportData &data)
         printer.setDocName(QFileInfo(name).baseName());
 
         QPainter painter;
-        if (not painter.begin(&printer))
-        { // failed to open file
-            qCritical() << tr("Failed to open file, is it writable?");
-            return;
-        }
-
-        painter.setPen(QPen(Qt::black, VAbstractApplication::VApp()->Settings()->WidthMainLine(), Qt::SolidLine,
-                            Qt::RoundCap, Qt::RoundJoin));
-        painter.setBrush(QBrush(Qt::NoBrush));
-        painter.setRenderHint(QPainter::Antialiasing, true);
-
-        bool firstSheet = true;
+        bool firstPage = true;
         for (const auto& sheet : data.sheets)
         {
-            GeneratePdfTiledFile(sheet, &painter, &printer, firstSheet);
-            firstSheet = false;
+            GeneratePdfTiledFile(sheet, data.showTilesScheme, &painter, &printer, firstPage);
         }
-
-        painter.end();
     }
     else
     {
@@ -2502,27 +2468,15 @@ void VPMainWindow::ExportPdfTiledFile(const VPExportData &data)
             printer.setDocName(QFileInfo(name).baseName());
 
             QPainter painter;
-            if (not painter.begin(&printer))
-            { // failed to open file
-                qCritical() << tr("Failed to open file, is it writable?");
-                return;
-            }
-
-            painter.setPen(QPen(Qt::black, VAbstractApplication::VApp()->Settings()->WidthMainLine(), Qt::SolidLine,
-                                Qt::RoundCap, Qt::RoundJoin));
-            painter.setBrush(QBrush(Qt::NoBrush));
-            painter.setRenderHint(QPainter::Antialiasing, true);
-
-            bool firstSheet = true;
-            GeneratePdfTiledFile(data.sheets.at(i), &painter, &printer, firstSheet);
-
-            painter.end();
+            bool firstPage = true;
+            GeneratePdfTiledFile(data.sheets.at(i), data.showTilesScheme, &painter, &printer, firstPage);
         }
     }
 }
 
 //---------------------------------------------------------------------------------------------------------------------
-void VPMainWindow::GeneratePdfTiledFile(const VPSheetPtr &sheet, QPainter *painter, QPrinter *printer, bool firstSheet)
+void VPMainWindow::GeneratePdfTiledFile(const VPSheetPtr &sheet, bool showTilesScheme, QPainter *painter,
+                                        QPrinter *printer, bool &firstPage)
 {
     SCASSERT(not sheet.isNull())
     SCASSERT(painter != nullptr)
@@ -2532,12 +2486,143 @@ void VPMainWindow::GeneratePdfTiledFile(const VPSheetPtr &sheet, QPainter *paint
     m_layout->TileFactory()->refreshTileInfos();
     sheet->SceneData()->SetTextAsPaths(false);
 
+    auto SetPageSettings = [this, &printer, sheet](QPageLayout::Orientation orientation, bool forSheet)
+    {
+        QSizeF tileSize = m_layout->LayoutSettings().GetTilesSize(Unit::Mm);
+        QSizeF pageSize;
+
+        if (not forSheet)
+        {
+            pageSize = orientation == QPageLayout::Portrait ? tileSize : tileSize.transposed();
+        }
+        else
+        {
+            QPageLayout::Orientation tileOrientation = m_layout->LayoutSettings().GetTilesOrientation();
+            QPageLayout::Orientation sheetOrientation = sheet->GetSheetOrientation();
+
+            if (tileOrientation != sheetOrientation)
+            {
+                pageSize = orientation == QPageLayout::Portrait ? tileSize.transposed() : tileSize;
+            }
+            else
+            {
+                pageSize = orientation == QPageLayout::Portrait ? tileSize : tileSize.transposed();
+            }
+        }
+
+        if (not printer->setPageSize(QPageSize(pageSize, QPageSize::Millimeter)))
+        {
+            qWarning() << tr("Cannot set printer page size");
+        }
+
+        printer->setPageOrientation(orientation);
+        printer->setFullPage(m_layout->LayoutSettings().IgnoreTilesMargins());
+
+        if (not m_layout->LayoutSettings().IgnoreTilesMargins())
+        {
+            if (not printer->setPageMargins(m_layout->LayoutSettings().GetTilesMargins(Unit::Mm),
+                                            QPageLayout::Millimeter))
+            {
+                qWarning() << tr("Cannot set printer margins");
+            }
+        }
+    };
+
+    if (showTilesScheme)
+    {
+        SetPageSettings(sheet->GetSheetOrientation(), true);
+    }
+    else
+    {
+        SetPageSettings(m_layout->LayoutSettings().GetTilesOrientation(), false);
+    }
+
+    if (firstPage)
+    {
+        if (not painter->begin(printer))
+        { // failed to open file
+            qCritical() << tr("Failed to open file, is it writable?");
+            return;
+        }
+
+        painter->setPen(QPen(Qt::black, VAbstractApplication::VApp()->Settings()->WidthMainLine(), Qt::SolidLine,
+                            Qt::RoundCap, Qt::RoundJoin));
+        painter->setBrush(QBrush(Qt::NoBrush));
+        painter->setRenderHint(QPainter::Antialiasing, true);
+    }
+
+    if (showTilesScheme)
+    {
+        VPLayoutPtr layout = sheet->GetLayout();
+        if(layout.isNull())
+        {
+            return;
+        }
+
+        if(not firstPage)
+        {
+            SetPageSettings(sheet->GetSheetOrientation(), true);
+
+            if (not printer->newPage())
+            {
+                qWarning("failed in flushing page to disk, disk full?");
+                return;
+            }
+        }
+
+        sheet->SceneData()->PrepareTilesScheme();
+
+        qreal xScale = layout->LayoutSettings().HorizontalScale();
+        qreal yScale = layout->LayoutSettings().VerticalScale();
+
+        qreal width = m_layout->TileFactory()->DrawingAreaWidth();
+        qreal height = m_layout->TileFactory()->DrawingAreaHeight();
+
+        QPageLayout::Orientation tileOrientation = m_layout->LayoutSettings().GetTilesOrientation();
+        QPageLayout::Orientation sheetOrientation = sheet->GetSheetOrientation();
+
+        QRectF sheetRect = sheet->GetMarginsRect();
+
+        const int nbCol = m_layout->TileFactory()->ColNb(sheet);
+        const int nbRow = m_layout->TileFactory()->RowNb(sheet);
+
+        QRectF source = QRectF(sheetRect.topLeft(), QSizeF(nbCol * ((width - VPTileFactory::tileStripeWidth) / xScale),
+                                                           nbRow * ((height - VPTileFactory::tileStripeWidth) / yScale)));
+        QRectF target;
+
+        if (tileOrientation != sheetOrientation)
+        {
+            QMarginsF margins;
+            if (not m_layout->LayoutSettings().IgnoreTilesMargins())
+            {
+                margins = m_layout->LayoutSettings().GetTilesMargins();
+            }
+
+            QSizeF tilesSize = layout->LayoutSettings().GetTilesSize();
+            target = QRectF(0, 0,
+                            tilesSize.height() - margins.left() - margins.right(),
+                            tilesSize.width() - margins.top() - margins.bottom());
+        }
+        else
+        {
+            target = QRectF(0, 0, width, height);
+        }
+        sheet->SceneData()->Scene()->render(painter, VPrintLayout::SceneTargetRect(printer, target), source,
+                                            Qt::KeepAspectRatio);
+
+        sheet->SceneData()->ClearTilesScheme();
+
+        firstPage = false;
+    }
+
     for(int row=0; row < m_layout->TileFactory()->RowNb(sheet); row++)  // for each row of the tiling grid
     {
         for(int col=0; col < m_layout->TileFactory()->ColNb(sheet); col++) // for each column of tiling grid
         {
-            if(not (row == 0 && col == 0) || not firstSheet)
+            if(not firstPage)
             {
+                SetPageSettings(m_layout->LayoutSettings().GetTilesOrientation(), false);
+
                 if (not printer->newPage())
                 {
                     qWarning("failed in flushing page to disk, disk full?");
@@ -2546,6 +2631,8 @@ void VPMainWindow::GeneratePdfTiledFile(const VPSheetPtr &sheet, QPainter *paint
             }
 
             m_layout->TileFactory()->drawTile(painter, printer, sheet, row, col);
+
+            firstPage = false;
         }
     }
 
@@ -3480,6 +3567,7 @@ void VPMainWindow::on_ExportLayout()
     data.isBinaryDXF = dialog.IsBinaryDXFFormat();
     data.textAsPaths = dialog.IsTextAsPaths();
     data.exportUnified = dialog.IsExportUnified();
+    data.showTilesScheme = dialog.IsTilesScheme();
 
     ExportData(data);
 }
@@ -3574,6 +3662,7 @@ void VPMainWindow::on_ExportSheet()
     data.isBinaryDXF = dialog.IsBinaryDXFFormat();
     data.textAsPaths = dialog.IsTextAsPaths();
     data.exportUnified = dialog.IsExportUnified();
+    data.showTilesScheme = dialog.IsTilesScheme();
 
     ExportData(data);
 }
diff --git a/src/app/puzzle/vpmainwindow.h b/src/app/puzzle/vpmainwindow.h
index 5ff32e917..e0b43ad16 100644
--- a/src/app/puzzle/vpmainwindow.h
+++ b/src/app/puzzle/vpmainwindow.h
@@ -447,7 +447,8 @@ private:
     void ExportUnifiedPdfFile(const VPExportData &data);
     void GenerateUnifiedPdfFile(const VPExportData &data, const QString &name);
     void ExportPdfTiledFile(const VPExportData &data);
-    void GeneratePdfTiledFile(const VPSheetPtr &sheet, QPainter *painter, QPrinter *printer, bool firstSheet);
+    void GeneratePdfTiledFile(const VPSheetPtr &sheet, bool showTilesScheme, QPainter *painter, QPrinter *printer,
+                              bool &firstPage);
 
     void UpdateScaleConnection() const;
 };
diff --git a/src/app/puzzle/vptilefactory.cpp b/src/app/puzzle/vptilefactory.cpp
index e761d1560..e17a3784e 100644
--- a/src/app/puzzle/vptilefactory.cpp
+++ b/src/app/puzzle/vptilefactory.cpp
@@ -322,7 +322,7 @@ auto VPTileFactory::RowNb(const VPSheetPtr &sheet) const -> int
         yScale = layout->LayoutSettings().VerticalScale();
     }
 
-    QSizeF sheetSize = sheet->GetSheetSize();
+    QRectF sheetSize = sheet->GetMarginsRect();
     return qCeil(sheetSize.height() * yScale / (m_drawingAreaHeight - tileStripeWidth));
 }
 
@@ -341,7 +341,7 @@ auto VPTileFactory::ColNb(const VPSheetPtr &sheet) const -> int
         xScale = layout->LayoutSettings().HorizontalScale();
     }
 
-    QSizeF sheetSize = sheet->GetSheetSize();
+    QRectF sheetSize = sheet->GetMarginsRect();
     return qCeil(sheetSize.width() * xScale / (m_drawingAreaWidth - tileStripeWidth));
 }