diff --git a/src/libs/vmisc/vcommonsettings.cpp b/src/libs/vmisc/vcommonsettings.cpp
index cddd6a77a..83f0a6073 100644
--- a/src/libs/vmisc/vcommonsettings.cpp
+++ b/src/libs/vmisc/vcommonsettings.cpp
@@ -64,15 +64,16 @@ const QString settingPatternForbidFlipping = QStringLiteral("pattern/forbidFlipp
 const QString settingPatternHideMainPath   = QStringLiteral("pattern/hideMainPath");
 const QString settingDoublePassmark        = QStringLiteral("pattern/doublePassmark");
 
-const QString settingGeneralRecentFileList  = QStringLiteral("recentFileList");
-const QString settingGeneralRestoreFileList = QStringLiteral("restoreFileList");
-const QString settingGeneralGeometry        = QStringLiteral("geometry");
-const QString settingGeneralWindowState     = QStringLiteral("windowState");
-const QString settingGeneralToolbarsState   = QStringLiteral("toolbarsState");
-const QString settingPreferenceDialogSize   = QStringLiteral("preferenceDialogSize");
-const QString settingLatestSkippedVersion   = QStringLiteral("lastestSkippedVersion");
-const QString settingDateOfLastRemind       = QStringLiteral("dateOfLastRemind");
-const QString settingUserDefinedMaterials   = QStringLiteral("configuration/userDefinedMaterials");
+const QString settingGeneralRecentFileList       = QStringLiteral("recentFileList");
+const QString settingGeneralRestoreFileList      = QStringLiteral("restoreFileList");
+const QString settingGeneralGeometry             = QStringLiteral("geometry");
+const QString settingGeneralWindowState          = QStringLiteral("windowState");
+const QString settingGeneralToolbarsState        = QStringLiteral("toolbarsState");
+const QString settingPreferenceDialogSize        = QStringLiteral("preferenceDialogSize");
+const QString settingToolSeamAllowanceDialogSize = QStringLiteral("toolSeamAllowanceDialogSize");
+const QString settingLatestSkippedVersion        = QStringLiteral("lastestSkippedVersion");
+const QString settingDateOfLastRemind            = QStringLiteral("dateOfLastRemind");
+const QString settingUserDefinedMaterials        = QStringLiteral("configuration/userDefinedMaterials");
 
 const QString settingCSVWithHeader = QStringLiteral("csv/withHeader");
 const QString settingCSVCodec      = QStringLiteral("csv/withCodec");
@@ -544,6 +545,18 @@ void VCommonSettings::SetPreferenceDialogSize(const QSize& sz)
     setValue(settingPreferenceDialogSize, sz);
 }
 
+//---------------------------------------------------------------------------------------------------------------------
+QSize VCommonSettings::GetToolSeamAllowanceDialogSize() const
+{
+    return value(settingToolSeamAllowanceDialogSize, QSize(0, 0)).toSize();
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void VCommonSettings::SetToolSeamAllowanceDialogSize(const QSize &sz)
+{
+    setValue(settingToolSeamAllowanceDialogSize, sz);
+}
+
 //---------------------------------------------------------------------------------------------------------------------
 int VCommonSettings::GetLatestSkippedVersion() const
 {
diff --git a/src/libs/vmisc/vcommonsettings.h b/src/libs/vmisc/vcommonsettings.h
index c2185293a..1a45baf31 100644
--- a/src/libs/vmisc/vcommonsettings.h
+++ b/src/libs/vmisc/vcommonsettings.h
@@ -120,6 +120,9 @@ public:
     QSize GetPreferenceDialogSize() const;
     void SetPreferenceDialogSize(const QSize& sz);
 
+    QSize GetToolSeamAllowanceDialogSize() const;
+    void  SetToolSeamAllowanceDialogSize(const QSize& sz);
+
     int  GetLatestSkippedVersion() const;
     void SetLatestSkippedVersion(int value);
 
diff --git a/src/libs/vtools/dialogs/tools/piece/dialogseamallowance.cpp b/src/libs/vtools/dialogs/tools/piece/dialogseamallowance.cpp
index 096ff7b17..f05290240 100644
--- a/src/libs/vtools/dialogs/tools/piece/dialogseamallowance.cpp
+++ b/src/libs/vtools/dialogs/tools/piece/dialogseamallowance.cpp
@@ -89,6 +89,7 @@ DialogSeamAllowance::DialogSeamAllowance(const VContainer *data, const quint32 &
       m_tabPins(new QWidget),
       m_tabPassmarks(new QWidget),
       m_ftb(new FancyTabBar(FancyTabBar::Left, this)),
+      m_isInitialized(false),
       applyAllowed(false),// By default disabled
       flagGPin(true),
       flagDPin(true),
@@ -425,8 +426,38 @@ void DialogSeamAllowance::closeEvent(QCloseEvent *event)
 //---------------------------------------------------------------------------------------------------------------------
 void DialogSeamAllowance::showEvent(QShowEvent *event)
 {
-    // Skip DialotTool implementation. For this tool don't need disable resizing because it uses a scroll area.
     QDialog::showEvent( event );
+    if ( event->spontaneous() )
+    {
+        return;
+    }
+
+    if (m_isInitialized)
+    {
+        return;
+    }
+    // do your init stuff here
+
+    const QSize sz = qApp->Settings()->GetToolSeamAllowanceDialogSize();
+    if (not sz.isEmpty())
+    {
+        resize(sz);
+    }
+
+    m_isInitialized = true;//first show windows are held
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void DialogSeamAllowance::resizeEvent(QResizeEvent *event)
+{
+    Q_UNUSED(event)
+    // remember the size for the next time this dialog is opened, but only
+    // if widget was already initialized, which rules out the resize at
+    // dialog creating, which would
+    if (m_isInitialized)
+    {
+        qApp->Settings()->SetToolSeamAllowanceDialogSize(size());
+    }
 }
 
 //---------------------------------------------------------------------------------------------------------------------
diff --git a/src/libs/vtools/dialogs/tools/piece/dialogseamallowance.h b/src/libs/vtools/dialogs/tools/piece/dialogseamallowance.h
index 96ece39b7..6856c3c0e 100644
--- a/src/libs/vtools/dialogs/tools/piece/dialogseamallowance.h
+++ b/src/libs/vtools/dialogs/tools/piece/dialogseamallowance.h
@@ -73,6 +73,7 @@ protected:
     virtual void CheckState() Q_DECL_FINAL;
     virtual void closeEvent(QCloseEvent *event) Q_DECL_OVERRIDE;
     virtual void showEvent( QShowEvent *event ) Q_DECL_OVERRIDE;
+    virtual void resizeEvent(QResizeEvent *event) Q_DECL_OVERRIDE;
 
 protected slots:
     void UpdateList();
@@ -173,6 +174,7 @@ private:
 
     FancyTabBar* m_ftb;
 
+    bool   m_isInitialized;
     bool   applyAllowed;
     bool   flagGPin;
     bool   flagDPin;