diff --git a/src/app/valentina/dialogs/configpages/preferencespatternpage.cpp b/src/app/valentina/dialogs/configpages/preferencespatternpage.cpp
index 16c3a19fc..d71a18c0b 100644
--- a/src/app/valentina/dialogs/configpages/preferencespatternpage.cpp
+++ b/src/app/valentina/dialogs/configpages/preferencespatternpage.cpp
@@ -52,6 +52,8 @@ PreferencesPatternPage::PreferencesPatternPage(QWidget *parent)
         QMessageBox::information(this, QCoreApplication::applicationName(), qsMsg);
     });
 
+    ui->defaultSeamAllowance->setValue(qApp->ValentinaSettings()->GetDefaultSeamAllowance());
+
     ui->forbidFlippingCheck->setChecked(qApp->ValentinaSettings()->GetForbidWorkpieceFlipping());
     ui->doublePassmarkCheck->setChecked(qApp->ValentinaSettings()->IsDoublePassmark());
     ui->checkBoxHideMainPath->setChecked(qApp->ValentinaSettings()->IsHideMainPath());
@@ -79,6 +81,8 @@ void PreferencesPatternPage::Apply()
      * prints a warning and does nothing.*/
     settings->SetUndoCount(ui->undoCount->value());
 
+    settings->SetDefaultSeamAllowance(ui->defaultSeamAllowance->value());
+
     settings->SetForbidWorkpieceFlipping(ui->forbidFlippingCheck->isChecked());
     settings->SetHideMainPath(ui->checkBoxHideMainPath->isChecked());
 
diff --git a/src/app/valentina/dialogs/configpages/preferencespatternpage.ui b/src/app/valentina/dialogs/configpages/preferencespatternpage.ui
index 403b37069..ffd7d7f26 100644
--- a/src/app/valentina/dialogs/configpages/preferencespatternpage.ui
+++ b/src/app/valentina/dialogs/configpages/preferencespatternpage.ui
@@ -7,7 +7,7 @@
     <x>0</x>
     <y>0</y>
     <width>327</width>
-    <height>414</height>
+    <height>482</height>
    </rect>
   </property>
   <property name="windowTitle">
@@ -136,6 +136,38 @@
      </layout>
     </widget>
    </item>
+   <item>
+    <widget class="QGroupBox" name="groupBox_6">
+     <property name="title">
+      <string>Seam allowance</string>
+     </property>
+     <layout class="QFormLayout" name="formLayout_3">
+      <item row="0" column="0">
+       <widget class="QLabel" name="label_defaultSeamAllowance">
+        <property name="text">
+         <string>Default value:</string>
+        </property>
+       </widget>
+      </item>
+      <item row="0" column="1">
+       <widget class="QDoubleSpinBox" name="defaultSeamAllowance">
+        <property name="decimals">
+         <number>3</number>
+        </property>
+        <property name="maximum">
+         <double>10.000000000000000</double>
+        </property>
+        <property name="singleStep">
+         <double>0.100000000000000</double>
+        </property>
+        <property name="value">
+         <double>1.000000000000000</double>
+        </property>
+       </widget>
+      </item>
+     </layout>
+    </widget>
+   </item>
    <item>
     <spacer name="verticalSpacer">
      <property name="orientation">
diff --git a/src/libs/vmisc/vcommonsettings.cpp b/src/libs/vmisc/vcommonsettings.cpp
index faf22e74c..26f1d5f63 100644
--- a/src/libs/vmisc/vcommonsettings.cpp
+++ b/src/libs/vmisc/vcommonsettings.cpp
@@ -43,6 +43,8 @@
 #include "../vmisc/def.h"
 #include "../vmisc/vmath.h"
 #include "../vpatterndb/pmsystems.h"
+//#include "../ifc/xml/vdomdocument.h"
+
 
 const QString settingPathsIndividualMeasurements = QStringLiteral("paths/individual_measurements");
 const QString settingPathsStandardMeasurements   = QStringLiteral("paths/standard_measurements");
@@ -59,11 +61,12 @@ const QString settingConfigurationConfirmItemDeletion    = QStringLiteral("confi
 const QString settingConfigurationConfirmFormatRewriting = QStringLiteral("configuration/confirm_format_rewriting");
 const QString settingConfigurationToolBarStyle           = QStringLiteral("configuration/tool_bar_style");
 
-const QString settingPatternUser           = QStringLiteral("pattern/user");
-const QString settingPatternUndo           = QStringLiteral("pattern/undo");
-const QString settingPatternForbidFlipping = QStringLiteral("pattern/forbidFlipping");
-const QString settingPatternHideMainPath   = QStringLiteral("pattern/hideMainPath");
-const QString settingDoublePassmark        = QStringLiteral("pattern/doublePassmark");
+const QString settingPatternUser                    = QStringLiteral("pattern/user");
+const QString settingPatternUndo                    = QStringLiteral("pattern/undo");
+const QString settingPatternForbidFlipping          = QStringLiteral("pattern/forbidFlipping");
+const QString settingPatternHideMainPath            = QStringLiteral("pattern/hideMainPath");
+const QString settingDoublePassmark                 = QStringLiteral("pattern/doublePassmark");
+const QString settingPatternDefaultSeamAllowance    = QStringLiteral("pattern/defaultSeamAllowance");
 
 const QString settingGeneralRecentFileList       = QStringLiteral("recentFileList");
 const QString settingGeneralRestoreFileList      = QStringLiteral("restoreFileList");
@@ -755,3 +758,50 @@ QChar VCommonSettings::GetDefCSVSeparator() const
 {
     return QChar(',');
 }
+
+//---------------------------------------------------------------------------------------------------------------------
+void VCommonSettings::SetDefaultSeamAllowance(double value)
+{
+    setValue(settingPatternDefaultSeamAllowance, value);
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+/**
+ * @brief returns the default seam allowance. The corresponding unit is the default unit.
+ * @return the default seam allowance
+ */
+double VCommonSettings::GetDefaultSeamAllowance()
+{
+    double defaultValue;
+
+    //Unit globalUnit = VDomDocument::StrToUnits(GetUnit());
+    Unit globalUnit = Unit::Cm; // just for test purpuses
+
+    switch (globalUnit)
+    {
+        case Unit::Mm:
+            defaultValue = 10;
+            break;
+        case Unit::Inch:
+            defaultValue = 0.25;
+            break;
+        default:
+        case Unit::Cm:
+            defaultValue = 1;
+            break;
+    }
+
+    bool ok = false;
+    double val = value(settingPatternDefaultSeamAllowance, defaultValue).toDouble(&ok);
+    if (ok == false)
+    {
+        qDebug()<< "Could not convert value"<<value(settingPatternDefaultSeamAllowance, 0)
+                << "to int. Return default value for default seam allowance is "
+                << defaultValue << ".";
+        val = defaultValue;
+    }
+
+    return val;
+}
+
+
diff --git a/src/libs/vmisc/vcommonsettings.h b/src/libs/vmisc/vcommonsettings.h
index 1770bebaa..ded22d785 100644
--- a/src/libs/vmisc/vcommonsettings.h
+++ b/src/libs/vmisc/vcommonsettings.h
@@ -40,6 +40,8 @@
 
 #include "../vlayout/vbank.h"
 
+class VDomDocument;
+
 class VCommonSettings : public QSettings
 {
     Q_OBJECT
@@ -157,6 +159,10 @@ public:
     QChar GetCSVSeparator() const;
     QChar GetDefCSVSeparator() const;
 
+    void SetDefaultSeamAllowance(double value);
+    double GetDefaultSeamAllowance();
+
+
 #if !defined(Q_OS_WIN)
     static const QString unixStandardSharePath;
 #endif