diff --git a/src/document.cpp b/src/document.cpp
index c6cd59cd..8d3303be 100644
--- a/src/document.cpp
+++ b/src/document.cpp
@@ -82,6 +82,7 @@ Document::Document() :
 {
     connect(&Preferences::instance(), &Preferences::partColorChanged, this, &Document::applyPreferencePartColorChange);
     connect(&Preferences::instance(), &Preferences::flatShadingChanged, this, &Document::applyPreferenceFlatShadingChange);
+    connect(&Preferences::instance(), &Preferences::textureSizeChanged, this, &Document::applyPreferenceTextureSizeChange);
 }
 
 void Document::applyPreferencePartColorChange()
@@ -95,6 +96,11 @@ void Document::applyPreferenceFlatShadingChange()
     regenerateMesh();
 }
 
+void Document::applyPreferenceTextureSizeChange()
+{
+    generateTexture();
+}
+
 Document::~Document()
 {
     delete m_resultMesh;
diff --git a/src/document.h b/src/document.h
index 16f27f6d..780dbf58 100644
--- a/src/document.h
+++ b/src/document.h
@@ -736,6 +736,7 @@ public slots:
     void renameMaterial(QUuid materialId, QString name);
     void applyPreferencePartColorChange();
     void applyPreferenceFlatShadingChange();
+    void applyPreferenceTextureSizeChange();
     void initScript(const QString &script);
     void updateScript(const QString &script);
     void runScript();
diff --git a/src/preferences.cpp b/src/preferences.cpp
index ed007771..25b42eec 100644
--- a/src/preferences.cpp
+++ b/src/preferences.cpp
@@ -15,6 +15,7 @@ void Preferences::loadDefault()
     m_componentCombineMode = CombineMode::Normal;
     m_partColor = Qt::white;
     m_flatShading = true;
+    m_textureSize = 1024;
 }
 
 Preferences::Preferences()
@@ -37,6 +38,11 @@ Preferences::Preferences()
         else
             m_flatShading = isTrueValueString(value);
     }
+    {
+        QString value = m_settings.value("textureSize").toString();
+        if (!value.isEmpty())
+            m_textureSize = value.toInt();
+    }
 }
 
 CombineMode Preferences::componentCombineMode() const
@@ -54,6 +60,11 @@ bool Preferences::flatShading() const
     return m_flatShading;
 }
 
+int Preferences::textureSize() const
+{
+    return m_textureSize;
+}
+
 void Preferences::setComponentCombineMode(CombineMode mode)
 {
     if (m_componentCombineMode == mode)
@@ -81,6 +92,15 @@ void Preferences::setFlatShading(bool flatShading)
     emit flatShadingChanged();
 }
 
+void Preferences::setTextureSize(int textureSize)
+{
+    if (m_textureSize == textureSize)
+        return;
+    m_textureSize = textureSize;
+    m_settings.setValue("textureSize", QString::number(m_textureSize));
+    emit textureSizeChanged();
+}
+
 QSize Preferences::documentWindowSize() const
 {
     return m_settings.value("documentWindowSize", QSize()).toSize();
@@ -98,4 +118,5 @@ void Preferences::reset()
     emit componentCombineModeChanged();
     emit partColorChanged();
     emit flatShadingChanged();
+    emit textureSizeChanged();
 }
diff --git a/src/preferences.h b/src/preferences.h
index d558e9e3..bd010bc4 100644
--- a/src/preferences.h
+++ b/src/preferences.h
@@ -16,20 +16,24 @@ public:
     bool flatShading() const;
     QSize documentWindowSize() const;
     void setDocumentWindowSize(const QSize&);
+    int textureSize() const;
 signals:
     void componentCombineModeChanged();
     void partColorChanged();
     void flatShadingChanged();
+    void textureSizeChanged();
 public slots:
     void setComponentCombineMode(CombineMode mode);
     void setPartColor(const QColor &color);
     void setFlatShading(bool flatShading);
+    void setTextureSize(int textureSize);
     void reset();
 private:
     CombineMode m_componentCombineMode;
     QColor m_partColor;
     bool m_flatShading;
     QSettings m_settings;
+    int m_textureSize;
 private:
     void loadDefault();
 };
diff --git a/src/preferenceswidget.cpp b/src/preferenceswidget.cpp
index 4f359dc8..e1c4720c 100644
--- a/src/preferenceswidget.cpp
+++ b/src/preferenceswidget.cpp
@@ -65,15 +65,28 @@ PreferencesWidget::PreferencesWidget(const Document *document, QWidget *parent)
         Preferences::instance().setFlatShading(flatShadingBox->isChecked());
     });
     
+    QComboBox *textureSizeSelectBox = new QComboBox;
+    textureSizeSelectBox->addItem("512");
+    textureSizeSelectBox->addItem("1024");
+    textureSizeSelectBox->addItem("2048");
+    textureSizeSelectBox->addItem("4096");
+    connect(textureSizeSelectBox, static_cast<void (QComboBox::*)(int)>(&QComboBox::currentIndexChanged), this, [=](int index) {
+        Preferences::instance().setTextureSize(textureSizeSelectBox->itemText(index).toInt());
+    });
+    
     QFormLayout *formLayout = new QFormLayout;
     formLayout->addRow(tr("Part color:"), colorLayout);
     formLayout->addRow(tr("Combine mode:"), combineModeSelectBox);
     formLayout->addRow(tr("Flat shading:"), flatShadingBox);
+    formLayout->addRow(tr("Texture size:"), textureSizeSelectBox);
     
     auto loadFromPreferences = [=]() {
         updatePickButtonColor();
         combineModeSelectBox->setCurrentIndex((int)Preferences::instance().componentCombineMode());
         flatShadingBox->setChecked(Preferences::instance().flatShading());
+        textureSizeSelectBox->setCurrentIndex(
+            textureSizeSelectBox->findText(QString::number(Preferences::instance().textureSize()))
+        );
     };
     
     loadFromPreferences();
diff --git a/src/texturegenerator.cpp b/src/texturegenerator.cpp
index ca587df7..eeb07d08 100644
--- a/src/texturegenerator.cpp
+++ b/src/texturegenerator.cpp
@@ -9,8 +9,8 @@
 #include "util.h"
 #include "texturetype.h"
 #include "material.h"
+#include "preferences.h"
 
-int TextureGenerator::m_textureSize = 1024;
 QColor TextureGenerator::m_defaultTextureColor = Qt::transparent;
 
 TextureGenerator::TextureGenerator(const Outcome &outcome, Snapshot *snapshot) :
@@ -25,10 +25,13 @@ TextureGenerator::TextureGenerator(const Outcome &outcome, Snapshot *snapshot) :
     m_resultTextureAmbientOcclusionImage(nullptr),
     m_resultMesh(nullptr),
     m_snapshot(snapshot),
-    m_hasTransparencySettings(false)
+    m_hasTransparencySettings(false),
+    m_textureSize(Preferences::instance().textureSize())
 {
     m_outcome = new Outcome();
     *m_outcome = outcome;
+    if (m_textureSize <= 0)
+        m_textureSize = 1024;
 }
 
 TextureGenerator::~TextureGenerator()
diff --git a/src/texturegenerator.h b/src/texturegenerator.h
index eb72c4a0..7191c894 100644
--- a/src/texturegenerator.h
+++ b/src/texturegenerator.h
@@ -38,7 +38,6 @@ signals:
 public slots:
     void process();
 public:
-    static int m_textureSize;
     static QColor m_defaultTextureColor;
 private:
     void prepare();
@@ -62,6 +61,7 @@ private:
     std::set<QUuid> m_countershadedPartIds;
     Snapshot *m_snapshot;
     bool m_hasTransparencySettings;
+    int m_textureSize;
 };
 
 #endif