diff --git a/src/app/valentina/mainwindowsnogui.cpp b/src/app/valentina/mainwindowsnogui.cpp
index 527bfcf24..859488d49 100644
--- a/src/app/valentina/mainwindowsnogui.cpp
+++ b/src/app/valentina/mainwindowsnogui.cpp
@@ -123,22 +123,6 @@ void InsertGlobalContours(const QList<QGraphicsScene *> &scenes, const QList<QGr
         scenes.at(i)->addItem(gcontours.at(i));
     }
 }
-
-//---------------------------------------------------------------------------------------------------------------------
-qreal BiggestEdge(const QVector<VLayoutPiece> &pieces)
-{
-    qreal edge = 0;
-    for(auto &piece : pieces)
-    {
-        const qreal pieceEdge = piece.BiggestEdge();
-        if (pieceEdge > edge)
-        {
-            edge = pieceEdge;
-        }
-    }
-
-    return edge;
-}
 }
 
 //---------------------------------------------------------------------------------------------------------------------
@@ -231,7 +215,8 @@ bool MainWindowsNoGUI::GenerateLayout(VLayoutGenerator& lGenerator)
     QTimer *progressTimer = nullptr;
 #endif
 
-    DialogLayoutProgress *progress = new DialogLayoutProgress(timer, lGenerator.GetNestingTime()*1000, this);
+    QScopedPointer<DialogLayoutProgress> progress(new DialogLayoutProgress(timer, lGenerator.GetNestingTime()*60000,
+                                                                           this));
     if (VApplication::IsGUIMode())
     {
 #if defined(Q_OS_WIN32) && QT_VERSION >= QT_VERSION_CHECK(5, 7, 0)
@@ -241,23 +226,20 @@ bool MainWindowsNoGUI::GenerateLayout(VLayoutGenerator& lGenerator)
         progressTimer = new QTimer(this);
         connect(progressTimer, &QTimer::timeout, this, [timer, &lGenerator]()
         {
-            const qint64 elapsed = timer.elapsed();
-            const int timeout = static_cast<int>(lGenerator.GetNestingTime() * 1000 - elapsed);
-
-            m_taskbarProgress->setValue(static_cast<int>(elapsed/1000));
+            m_taskbarProgress->setValue(static_cast<int>(timer.elapsed()/60000));
         });
         progressTimer->start(1000);
 #endif
-        connect(progress, &DialogLayoutProgress::Abort, &lGenerator, &VLayoutGenerator::Abort);
+        connect(progress.data(), &DialogLayoutProgress::Abort, &lGenerator, &VLayoutGenerator::Abort);
     }
 
     progress->Start();
 
     LayoutErrors nestingState = LayoutErrors::NoError;
 
-    auto IsTimeout = [progress, &lGenerator, timer, &nestingState]()
+    auto IsTimeout = [&progress, &lGenerator, timer, &nestingState]()
     {
-        if (lGenerator.GetNestingTime() * 1000 - timer.elapsed() <= 0)
+        if (timer.hasExpired(lGenerator.GetNestingTime() * 60000))
         {
             nestingState = LayoutErrors::Timeout;
             progress->Finished();
@@ -268,10 +250,13 @@ bool MainWindowsNoGUI::GenerateLayout(VLayoutGenerator& lGenerator)
 
     bool rotationUsed = false;
     int rotatate = 1;
-    lGenerator.SetShift(BiggestEdge(listDetails) + 1);
+    lGenerator.SetShift(-1); // Trigger first shift calulation
+    lGenerator.SetRotate(false);
     int papersCount = INT_MAX;
     qreal efficiency = 0;
 
+    QCoreApplication::processEvents();
+
     forever
     {
         if (IsTimeout())
@@ -279,22 +264,20 @@ bool MainWindowsNoGUI::GenerateLayout(VLayoutGenerator& lGenerator)
             break;
         }
 
-        lGenerator.Generate();
+        lGenerator.Generate(timer, lGenerator.GetNestingTime()*60000);
 
         if (IsTimeout())
         {
             break;
         }
 
-        nestingState = lGenerator.State();
-
-        switch (nestingState)
+        switch (lGenerator.State())
         {
             case LayoutErrors::NoError:
                 if (lGenerator.PapersCount() <= papersCount)
                 {
                     const qreal layoutEfficiency = lGenerator.LayoutEfficiency();
-                    if (efficiency > layoutEfficiency)
+                    if (efficiency < layoutEfficiency)
                     {
                         efficiency = layoutEfficiency;
                         progress->Efficiency(efficiency);
@@ -320,27 +303,34 @@ bool MainWindowsNoGUI::GenerateLayout(VLayoutGenerator& lGenerator)
                 lGenerator.SetShift(lGenerator.GetShift()/2.0);
                 break;
             case LayoutErrors::EmptyPaperError:
-                if (not rotationUsed)
+                if (lGenerator.IsRotationNeeded())
                 {
-                    lGenerator.SetRotate(true);
-                    lGenerator.SetRotationNumber(++rotatate);
-                    rotationUsed = true;
+                    if (not rotationUsed)
+                    {
+                        lGenerator.SetRotate(true);
+                        lGenerator.SetRotationNumber(++rotatate);
+                        rotationUsed = true;
+                    }
+                    else
+                    {
+                        lGenerator.SetShift(lGenerator.GetShift()/2.0);
+                        rotationUsed = false;
+                    }
                 }
                 else
                 {
                     lGenerator.SetShift(lGenerator.GetShift()/2.0);
-                    rotationUsed = false;
                 }
                 break;
             case LayoutErrors::Timeout:
-                Q_UNREACHABLE();
-                break;
             case LayoutErrors::PrepareLayoutError:
             case LayoutErrors::ProcessStoped:
             default:
                 break;
         }
 
+        nestingState = lGenerator.State();
+
         if (nestingState == LayoutErrors::PrepareLayoutError || nestingState == LayoutErrors::ProcessStoped
                 || (nestingState == LayoutErrors::NoError && not qFuzzyIsNull(lGenerator.GetEfficiencyCoefficient())
                     && efficiency >= lGenerator.GetEfficiencyCoefficient()))
@@ -354,6 +344,8 @@ bool MainWindowsNoGUI::GenerateLayout(VLayoutGenerator& lGenerator)
         }
     }
 
+    progress->Finished();
+
 #if defined(Q_OS_WIN32) && QT_VERSION >= QT_VERSION_CHECK(5, 7, 0)
     if (VApplication::IsGUIMode())
     {
@@ -367,7 +359,7 @@ bool MainWindowsNoGUI::GenerateLayout(VLayoutGenerator& lGenerator)
         QApplication::alert(this);
     }
 
-    if (nestingState == LayoutErrors::NoError)
+    if (nestingState == LayoutErrors::NoError || (nestingState == LayoutErrors::Timeout && not papers.isEmpty()))
     {
         return true;
     }
diff --git a/src/libs/vlayout/vbank.cpp b/src/libs/vlayout/vbank.cpp
index 343bd0986..6cdf627be 100644
--- a/src/libs/vlayout/vbank.cpp
+++ b/src/libs/vlayout/vbank.cpp
@@ -176,7 +176,29 @@ void VBank::NotArranged(int i)
 }
 
 //---------------------------------------------------------------------------------------------------------------------
-bool VBank::Prepare()
+bool VBank::PrepareUnsorted()
+{
+    for (int i=0; i < details.size(); ++i)
+    {
+        const qint64 square = details.at(i).Square();
+        if (square <= 0)
+        {
+            qCCritical(lBank, "Preparing data for layout error: Detail '%s' square <= 0",
+                       qUtf8Printable(details.at(i).GetName()));
+            prepare = false;
+            return prepare;
+        }
+        unsorted.insert(i, square);
+    }
+
+    PrepareGroup();
+
+    prepare = true;
+    return prepare;
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+bool VBank::PrepareDetails()
 {
     if (layoutWidth <= 0)
     {
@@ -193,10 +215,12 @@ bool VBank::Prepare()
     }
 
     diagonal = 0;
+
     for (int i=0; i < details.size(); ++i)
     {
         details[i].SetLayoutWidth(layoutWidth);
         details[i].SetLayoutAllowancePoints();
+
         if (not details.at(i).IsLayoutAllowanceValid())
         {
             const QString errorMsg = QObject::tr("Piece '%1' has invalid layout allowance. Please, check seam allowance"
@@ -209,20 +233,8 @@ bool VBank::Prepare()
         {
             diagonal = d;
         }
-
-        const qint64 square = details.at(i).Square();
-        if (square <= 0)
-        {
-            qCCritical(lBank, "Preparing data for layout error: Detail '%s' square <= 0",
-                       qUtf8Printable(details.at(i).GetName()));
-            prepare = false;
-            return prepare;
-        }
-        unsorted.insert(i, square);
     }
 
-    PrepareGroup();
-
     prepare = true;
     return prepare;
 }
@@ -436,6 +448,35 @@ void VBank::SqMaxMin(qint64 &sMax, qint64 &sMin) const
 
 }
 
+//---------------------------------------------------------------------------------------------------------------------
+qreal VBank::DetailsBiggestEdge() const
+{
+    qreal edge = 0;
+    for(auto &piece : details)
+    {
+        const qreal pieceEdge = piece.BiggestEdge();
+        if (pieceEdge > edge)
+        {
+            edge = pieceEdge;
+        }
+    }
+
+    return edge;
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+bool VBank::IsRotationNeeded() const
+{
+    for(auto &piece : details)
+    {
+        if (not piece.IsGrainlineEnabled())
+        {
+            return true;
+        }
+    }
+    return false;
+}
+
 #if defined (Q_OS_WIN) && defined (Q_CC_MSVC)
 #pragma pop_macro("small")
 #endif
diff --git a/src/libs/vlayout/vbank.h b/src/libs/vlayout/vbank.h
index 85853770d..beee3479c 100644
--- a/src/libs/vlayout/vbank.h
+++ b/src/libs/vlayout/vbank.h
@@ -54,6 +54,7 @@ public:
     qreal GetLayoutWidth() const;
     void SetLayoutWidth(qreal value);
 
+
     void SetDetails(const QVector<VLayoutPiece> &details);
     int  GetNext();
     VLayoutPiece GetDetail(int i) const;
@@ -61,7 +62,8 @@ public:
     void Arranged(int i);
     void NotArranged(int i);
 
-    bool Prepare();
+    bool PrepareUnsorted();
+    bool PrepareDetails();
     void Reset();
     void SetCaseType(Cases caseType);
 
@@ -70,6 +72,9 @@ public:
     int ArrangedCount() const;
 
     qreal GetBiggestDiagonal() const;
+    qreal DetailsBiggestEdge() const;
+
+    bool IsRotationNeeded() const;
 
 private:
     Q_DISABLE_COPY(VBank)
diff --git a/src/libs/vlayout/vlayoutgenerator.cpp b/src/libs/vlayout/vlayoutgenerator.cpp
index 766a3925f..dad17c4b9 100644
--- a/src/libs/vlayout/vlayoutgenerator.cpp
+++ b/src/libs/vlayout/vlayoutgenerator.cpp
@@ -28,6 +28,7 @@
 
 #include "vlayoutgenerator.h"
 
+#include <QElapsedTimer>
 #include <QGraphicsRectItem>
 #include <QRectF>
 #include <QThreadPool>
@@ -98,21 +99,25 @@ int VLayoutGenerator::DetailsCount()
 }
 
 //---------------------------------------------------------------------------------------------------------------------
-void VLayoutGenerator::Generate()
+void VLayoutGenerator::Generate(QElapsedTimer timer, qint64 timeout)
 {
     stopGeneration.store(false);
     papers.clear();
+    bank->Reset();
     state = LayoutErrors::NoError;
 
-#ifdef LAYOUT_DEBUG
-    const QString path = QDir::homePath()+QStringLiteral("/LayoutDebug");
-    QDir debugDir(path);
-    debugDir.removeRecursively();
-    debugDir.mkpath(path);
-#endif
-
-    if (bank->Prepare())
+    if (VFuzzyComparePossibleNulls(shift, -1))
     {
+        if (bank->PrepareDetails())
+        {
+            SetShift(bank->DetailsBiggestEdge() + 1);
+        }
+        else
+        {
+            state = LayoutErrors::PrepareLayoutError;
+            return;
+        }
+
         int width = PageWidth();
         int height = PageHeight();
 
@@ -131,15 +136,43 @@ void VLayoutGenerator::Generate()
 
             IsPortrait() ? SetStrip(height) : SetStrip(width);
         }
+    }
+
+    if (timer.hasExpired(timeout))
+    {
+        state = LayoutErrors::Timeout;
+        return;
+    }
+
+#ifdef LAYOUT_DEBUG
+    const QString path = QDir::homePath()+QStringLiteral("/LayoutDebug");
+    QDir debugDir(path);
+    debugDir.removeRecursively();
+    debugDir.mkpath(path);
+#endif
+
+    if (bank->PrepareUnsorted())
+    {
+        if (timer.hasExpired(timeout))
+        {
+            state = LayoutErrors::Timeout;
+            return;
+        }
 
         while (bank->AllDetailsCount() > 0)
         {
             if (stopGeneration.load())
             {
-                break;
+                return;
             }
 
-            VLayoutPaper paper(height, width, bank->GetLayoutWidth());
+            if (timer.hasExpired(timeout))
+            {
+                state = LayoutErrors::Timeout;
+                return;
+            }
+
+            VLayoutPaper paper(PageHeight(), PageWidth(), bank->GetLayoutWidth());
             paper.SetShift(shift);
             paper.SetPaperIndex(static_cast<quint32>(papers.count()));
             paper.SetRotate(rotate);
@@ -158,15 +191,29 @@ void VLayoutGenerator::Generate()
                     bank->NotArranged(index);
                 }
 
+                QCoreApplication::processEvents();
+
                 if (stopGeneration.load())
                 {
                     break;
                 }
+
+                if (timer.hasExpired(timeout))
+                {
+                    state = LayoutErrors::Timeout;
+                    return;
+                }
             } while(bank->LeftToArrange() > 0);
 
             if (stopGeneration.load())
             {
-                break;
+                return;
+            }
+
+            if (timer.hasExpired(timeout))
+            {
+                state = LayoutErrors::Timeout;
+                return;
             }
 
             if (paper.Count() > 0)
@@ -186,6 +233,12 @@ void VLayoutGenerator::Generate()
         return;
     }
 
+    if (timer.hasExpired(timeout))
+    {
+        state = LayoutErrors::Timeout;
+        return;
+    }
+
     if (stripOptimizationEnabled)
     {
         GatherPages();
@@ -295,6 +348,19 @@ void VLayoutGenerator::SetTextAsPaths(bool value)
     textAsPaths = value;
 }
 
+//---------------------------------------------------------------------------------------------------------------------
+bool VLayoutGenerator::IsRotationNeeded() const
+{
+    if (followGrainline)
+    {
+        return bank->IsRotationNeeded();
+    }
+    else
+    {
+        return true;
+    }
+}
+
 //---------------------------------------------------------------------------------------------------------------------
 quint8 VLayoutGenerator::GetMultiplier() const
 {
diff --git a/src/libs/vlayout/vlayoutgenerator.h b/src/libs/vlayout/vlayoutgenerator.h
index 14f35cd3e..e894cd982 100644
--- a/src/libs/vlayout/vlayoutgenerator.h
+++ b/src/libs/vlayout/vlayoutgenerator.h
@@ -52,6 +52,7 @@ class QMarginsF;
 
 class QGraphicsItem;
 class VLayoutPaper;
+class QElapsedTimer;
 
 class VLayoutGenerator :public QObject
 {
@@ -84,7 +85,7 @@ public:
     qreal GetShift() const;
     void  SetShift(qreal shift);
 
-    void Generate();
+    void Generate(QElapsedTimer timer, qint64 timeout);
 
     qreal LayoutEfficiency() const;
 
@@ -125,6 +126,8 @@ public:
     bool IsTestAsPaths() const;
     void SetTextAsPaths(bool value);
 
+    bool IsRotationNeeded() const;
+
 public slots:
     void Abort();
 
diff --git a/src/libs/vlayout/vlayoutpaper.cpp b/src/libs/vlayout/vlayoutpaper.cpp
index 8df587928..f3329bda5 100644
--- a/src/libs/vlayout/vlayoutpaper.cpp
+++ b/src/libs/vlayout/vlayoutpaper.cpp
@@ -240,6 +240,8 @@ bool VLayoutPaper::AddToSheet(const VLayoutPiece &detail, std::atomic_bool &stop
 
     for (int j=1; j <= d->globalContour.GlobalEdgesCount(); ++j)
     {
+        QCoreApplication::processEvents();
+
         for (int i=1; i<= detailEdgesCount; ++i)
         {
             VPositionData data;
@@ -431,8 +433,10 @@ qreal VLayoutPaper::Efficiency() const
     qreal efficiency = 0;
     for(auto &detail : d->details)
     {
-        efficiency += detail.Square();
+        efficiency += static_cast<qreal>(detail.Square());
     }
 
-    return efficiency / (d->globalContour.GetWidth() * d->globalContour.GetHeight()) * 100;
+    const QRectF boundingRect = DetailsBoundingRect();
+
+    return efficiency / (boundingRect.width() * boundingRect.height()) * 100.0;
 }