diff --git a/libs/image/kis_cage_transform_worker.cpp b/libs/image/kis_cage_transform_worker.cpp
--- a/libs/image/kis_cage_transform_worker.cpp
+++ b/libs/image/kis_cage_transform_worker.cpp
@@ -164,7 +164,6 @@
 
     // no need to process empty devices
     if (srcBounds.isEmpty()) return;
-
     m_d->gridSize =
         GridIterationTools::calcGridSize(srcBounds, m_d->pixelPrecision);
 
@@ -172,7 +171,6 @@
     GridIterationTools::processGrid(pointsOp, srcBounds, m_d->pixelPrecision);
 
     const int numPoints = pointsOp.m_points.size();
-
     KIS_ASSERT_RECOVER_RETURN(numPoints == m_d->gridSize.width() * m_d->gridSize.height());
 
     m_d->allSrcPoints = pointsOp.m_points;
diff --git a/plugins/tools/tool_transform2/kis_cage_transform_strategy.cpp b/plugins/tools/tool_transform2/kis_cage_transform_strategy.cpp
--- a/plugins/tools/tool_transform2/kis_cage_transform_strategy.cpp
+++ b/plugins/tools/tool_transform2/kis_cage_transform_strategy.cpp
@@ -88,13 +88,11 @@
                                                            const QPointF &srcOffset,
                                                            QPointF *dstOffset)
 {
-    Q_UNUSED(currentArgs);
-
     KisCageTransformWorker worker(srcImage,
                                   srcOffset,
                                   origPoints,
                                   0,
-                                  16);
+                                  currentArgs.previewPixelPrecision());
     worker.prepareTransform();
     worker.setTransformedCage(transfPoints);
     return worker.runOnQImage(dstOffset);
diff --git a/plugins/tools/tool_transform2/kis_tool_transform_config_widget.h b/plugins/tools/tool_transform2/kis_tool_transform_config_widget.h
--- a/plugins/tools/tool_transform2/kis_tool_transform_config_widget.h
+++ b/plugins/tools/tool_transform2/kis_tool_transform_config_widget.h
@@ -112,7 +112,8 @@
 
     void notifyEditingFinished();
 
-    void slotGranularityChanged(int value);
+    void slotGranularityChanged(QString value);
+    void slotPreviewGranularityChanged(QString value);
 
 private:
     // rad being in |R, the returned value is in [0; 360]
diff --git a/plugins/tools/tool_transform2/kis_tool_transform_config_widget.cpp b/plugins/tools/tool_transform2/kis_tool_transform_config_widget.cpp
--- a/plugins/tools/tool_transform2/kis_tool_transform_config_widget.cpp
+++ b/plugins/tools/tool_transform2/kis_tool_transform_config_widget.cpp
@@ -53,7 +53,17 @@
 
     chkWorkRecursively->setChecked(workRecursively);
     connect(chkWorkRecursively, SIGNAL(toggled(bool)), this, SIGNAL(sigRestartTransform()));
-    connect(changeGranularity,SIGNAL(valueChanged(int)),this,SLOT(slotGranularityChanged(int)));
+
+    QStringList granularityValues({"2","4","8","16","32"});
+    changeGranularity->addItems(granularityValues);
+    changeGranularity->setCurrentIndex(2);
+    granularityPreview->addItems(granularityValues);
+    granularityPreview->setCurrentIndex(3);
+
+    connect(changeGranularity,SIGNAL(currentIndexChanged(QString)),
+            this,SLOT(slotGranularityChanged(QString)));
+    connect(granularityPreview, SIGNAL(currentIndexChanged(QString)),
+            this,SLOT(slotPreviewGranularityChanged(QString)));
 
     // Init Filter  combo
     cmbFilter->setIDList(KisFilterStrategyRegistry::instance()->listKeys());
@@ -1297,10 +1307,18 @@
     notifyConfigChanged();
 }
 
-void KisToolTransformConfigWidget::slotGranularityChanged(int value)
+void KisToolTransformConfigWidget::slotGranularityChanged(QString value)
+{
+    if (m_uiSlotsBlocked) return;
+    ToolTransformArgs *config = m_transaction->currentConfig();
+    config->setPixelPrecision(value.toInt());
+    notifyConfigChanged();
+}
+
+void KisToolTransformConfigWidget::slotPreviewGranularityChanged(QString value)
 {
     if (m_uiSlotsBlocked) return;
     ToolTransformArgs *config = m_transaction->currentConfig();
-    config->setPixelPrecision(value);
+    config->setPreviewPixelPrecision(value.toInt());
     notifyConfigChanged();
 }
diff --git a/plugins/tools/tool_transform2/tool_transform_args.h b/plugins/tools/tool_transform2/tool_transform_args.h
--- a/plugins/tools/tool_transform2/tool_transform_args.h
+++ b/plugins/tools/tool_transform2/tool_transform_args.h
@@ -100,6 +100,14 @@
         m_pixelPrecision = precision;
     }
 
+    inline int previewPixelPrecision() const {
+        return m_previewPixelPrecision;
+    }
+
+    inline void setPreviewPixelPrecision(int precision) {
+        m_previewPixelPrecision = precision;
+    }
+
     //warp-related
     inline int numPoints() const {
         KIS_ASSERT_RECOVER_NOOP(m_origPoints.size() == m_transfPoints.size());
@@ -338,7 +346,7 @@
      * operations should revert to it.
      */
     QScopedPointer<ToolTransformArgs> m_continuedTransformation;
-    int m_pixelPrecision;
+    int m_pixelPrecision, m_previewPixelPrecision;
 };
 
 #endif // TOOL_TRANSFORM_ARGS_H_
diff --git a/plugins/tools/tool_transform2/tool_transform_args.cc b/plugins/tools/tool_transform2/tool_transform_args.cc
--- a/plugins/tools/tool_transform2/tool_transform_args.cc
+++ b/plugins/tools/tool_transform2/tool_transform_args.cc
@@ -48,6 +48,8 @@
     , m_shearX(0.0)
     , m_shearY(0.0)
     , m_liquifyProperties(new KisLiquifyProperties())
+    , m_pixelPrecision(8)
+    , m_previewPixelPrecision(16)
 {
     KConfigGroup configGroup =  KSharedConfig::openConfig()->group("KisToolTransform");
     QString savedFilterId = configGroup.readEntry("filterId", "Bicubic");
@@ -247,6 +249,7 @@
     , m_shearY(shearY)
     , m_liquifyProperties(new KisLiquifyProperties())
     , m_pixelPrecision(8)
+    , m_previewPixelPrecision(16)
 {
     setFilterId(filterId);
 }
diff --git a/plugins/tools/tool_transform2/wdg_tool_transform.ui b/plugins/tools/tool_transform2/wdg_tool_transform.ui
--- a/plugins/tools/tool_transform2/wdg_tool_transform.ui
+++ b/plugins/tools/tool_transform2/wdg_tool_transform.ui
@@ -6,8 +6,8 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>489</width>
-    <height>674</height>
+    <width>499</width>
+    <height>709</height>
    </rect>
   </property>
   <property name="sizePolicy">
@@ -1677,46 +1677,58 @@
          </property>
          <property name="sizeHint" stdset="0">
           <size>
-           <width>20</width>
-           <height>20</height>
+           <width>17</width>
+           <height>17</height>
           </size>
          </property>
         </spacer>
        </item>
        <item>
-        <widget class="QLabel" name="label_3">
+        <widget class="QLabel" name="adjustGranularity">
          <property name="text">
           <string>Adjust Granularity</string>
          </property>
         </widget>
        </item>
        <item>
-        <widget class="QSpinBox" name="changeGranularity">
-         <property name="sizePolicy">
-          <sizepolicy hsizetype="Fixed" vsizetype="Fixed">
-           <horstretch>0</horstretch>
-           <verstretch>0</verstretch>
-          </sizepolicy>
-         </property>
-         <property name="maximumSize">
-          <size>
-           <width>60</width>
-           <height>16777215</height>
-          </size>
-         </property>
-         <property name="toolTip">
-          <string>Set Granularity</string>
-         </property>
-         <property name="inputMethodHints">
-          <set>Qt::ImhNone</set>
-         </property>
-         <property name="maximum">
-          <number>20</number>
-         </property>
-         <property name="value">
-          <number>8</number>
-         </property>
-        </widget>
+        <layout class="QHBoxLayout" name="horizontalLayout_4">
+         <item>
+          <widget class="QLabel" name="realGranularity">
+           <property name="text">
+            <string>Real</string>
+           </property>
+          </widget>
+         </item>
+         <item>
+          <widget class="QComboBox" name="changeGranularity"/>
+         </item>
+         <item>
+          <spacer name="horizontalSpacer">
+           <property name="orientation">
+            <enum>Qt::Horizontal</enum>
+           </property>
+           <property name="sizeType">
+            <enum>QSizePolicy::Minimum</enum>
+           </property>
+           <property name="sizeHint" stdset="0">
+            <size>
+             <width>40</width>
+             <height>20</height>
+            </size>
+           </property>
+          </spacer>
+         </item>
+         <item>
+          <widget class="QLabel" name="previewGranularity">
+           <property name="text">
+            <string>Preview</string>
+           </property>
+          </widget>
+         </item>
+         <item>
+          <widget class="QComboBox" name="granularityPreview"/>
+         </item>
+        </layout>
        </item>
        <item>
         <spacer name="verticalSpacer">
@@ -1725,8 +1737,8 @@
          </property>
          <property name="sizeHint" stdset="0">
           <size>
-           <width>20</width>
-           <height>40</height>
+           <width>17</width>
+           <height>411</height>
           </size>
          </property>
         </spacer>
@@ -2242,8 +2254,8 @@
  <resources/>
  <connections/>
  <buttongroups>
+  <buttongroup name="buttonGroup"/>
   <buttongroup name="cageTransformButtonGroup"/>
   <buttongroup name="freeTransformRadioGroup"/>
-  <buttongroup name="buttonGroup"/>
  </buttongroups>
 </ui>