diff --git a/common/lc_partselectionwidget.cpp b/common/lc_partselectionwidget.cpp
index 9b9efbc6..51570adc 100644
--- a/common/lc_partselectionwidget.cpp
+++ b/common/lc_partselectionwidget.cpp
@@ -734,7 +734,7 @@ lcPartSelectionWidget::lcPartSelectionWidget(QWidget* Parent)
 	CategoriesGroupWidget->setLayout(CategoriesLayout);
 
 	QHBoxLayout* FilterCategoriesLayout = new QHBoxLayout();
-	FilterCategoriesLayout->setContentsMargins(0, 0, 6, 0);
+	FilterCategoriesLayout->setContentsMargins(0, 0, 0, 0);
 	CategoriesLayout->addLayout(FilterCategoriesLayout);
 
 	mFilterCategoriesWidget = new QLineEdit(CategoriesGroupWidget);
@@ -743,6 +743,17 @@ lcPartSelectionWidget::lcPartSelectionWidget(QWidget* Parent)
 	connect(mFilterCategoriesAction, SIGNAL(triggered()), this, SLOT(FilterCategoriesTriggered()));
 	FilterCategoriesLayout->addWidget(mFilterCategoriesWidget);
 
+	mFilterCaseAction = new QAction();
+	mFilterCaseAction->setIcon(QIcon(":/resources/case.png"));
+	mFilterCaseAction->setToolTip(tr("Match Case"));
+	mFilterCaseAction->setCheckable(true);
+	mFilterCaseAction->setChecked(false);
+	connect(mFilterCaseAction, SIGNAL(triggered()), this, SLOT(FilterCaseTriggered()));
+
+	QToolButton* FilterCaseButton = new QToolButton();
+	FilterCaseButton->setDefaultAction(mFilterCaseAction);
+	FilterCategoriesLayout->addWidget(FilterCaseButton);
+
 	mCategoriesWidget = new QTreeWidget(mSplitter);
 	mCategoriesWidget->setHeaderHidden(true);
 	mCategoriesWidget->setUniformRowHeights(true);
@@ -885,12 +896,13 @@ void lcPartSelectionWidget::FilterCategoriesChanged(const QString& Text)
 	}
 
 	bool Hide = true;
+	Qt::CaseSensitivity MatchCase = mFilterCaseAction->isChecked() ? Qt::CaseSensitive : Qt::CaseInsensitive;
 	mCategoriesWidget->setUpdatesEnabled(false);
 	for (int CategoryIdx = 0; CategoryIdx < mCategoriesWidget->topLevelItemCount(); CategoryIdx++)
 	{
 		QTreeWidgetItem* CategoryItem = mCategoriesWidget->topLevelItem(CategoryIdx);
 		Hide = false;
-		if (!CategoryItem->text(0).contains(Text, Qt::CaseInsensitive))
+		if (!CategoryItem->text(0).contains(Text, MatchCase))
 			Hide = true;
 		CategoryItem->setHidden(Hide);
 	}
@@ -916,6 +928,12 @@ void lcPartSelectionWidget::FilterCategoriesTriggered()
 	mFilterCategoriesWidget->clear();
 }
 
+void lcPartSelectionWidget::FilterCaseTriggered()
+{
+	if (!mFilterCategoriesWidget->text().isEmpty())
+		FilterCategoriesChanged(mFilterCategoriesWidget->text());
+}
+
 void lcPartSelectionWidget::FilterTriggered()
 {
 	mFilterWidget->clear();
diff --git a/common/lc_partselectionwidget.h b/common/lc_partselectionwidget.h
index 1f97ab4b..bda09014 100644
--- a/common/lc_partselectionwidget.h
+++ b/common/lc_partselectionwidget.h
@@ -232,6 +232,7 @@ protected slots:
 	void FilterChanged(const QString& Text);
 	void FilterCategoriesChanged(const QString& Text);
 	void FilterTriggered();
+	void FilterCaseTriggered();
 	void FilterCategoriesTriggered();
 	void CategoryChanged(QTreeWidgetItem* Current, QTreeWidgetItem* Previous);
 	void PartChanged(const QModelIndex& Current, const QModelIndex& Previous);
@@ -248,6 +249,7 @@ protected:
 	QTreeWidget* mCategoriesWidget;
 	QLineEdit* mFilterCategoriesWidget;
 	QAction* mFilterCategoriesAction;
+	QAction* mFilterCaseAction;
 	QLineEdit* mFilterWidget;
 	QAction* mFilterAction;
 	lcPartSelectionListView* mPartsWidget;
diff --git a/leocad.qrc b/leocad.qrc
index 75d84a9d..c5ebff8f 100644
--- a/leocad.qrc
+++ b/leocad.qrc
@@ -78,7 +78,6 @@
         <file>resources/file_print.png</file>
         <file>resources/file_print_preview.png</file>
         <file>resources/file_save.png</file>
-        <file>resources/filter.png</file>        
         <file>resources/time_first.png</file>
         <file>resources/time_last.png</file>
         <file>resources/time_next.png</file>
@@ -135,7 +134,9 @@
         <file>resources/shaders/unlit_vertex_color_vs.glsl</file>
         <file>resources/shaders/unlit_view_sphere_ps.glsl</file>
         <file>resources/shaders/unlit_view_sphere_vs.glsl</file>
-        <file>resources/gear_in.png</file>
+        <file>resources/case.png</file>
+        <file>resources/filter.png</file>
         <file>resources/flexible.png</file>
+        <file>resources/gear_in.png</file>
     </qresource>
 </RCC>
diff --git a/resources/case.png b/resources/case.png
new file mode 100644
index 00000000..9c24a2d4
Binary files /dev/null and b/resources/case.png differ