diff --git a/GUI/View/Frame/MaskEditingFrame.cpp b/GUI/View/Frame/MaskEditingFrame.cpp
index 77181cf14ec49c904df603f371374f1a7a3838f2..31ad10bb1508f5ab75a08d111eb5d33927d299a3 100644
--- a/GUI/View/Frame/MaskEditingFrame.cpp
+++ b/GUI/View/Frame/MaskEditingFrame.cpp
@@ -28,7 +28,7 @@ MaskEditingFrame::MaskEditingFrame(QWidget* parent)
     : DataAccessWidget(parent)
     , m_actions(new MaskEditorActions(this))
     , m_panel(new MaskPanel)
-    , m_canvas(new MaskEditorCanvas)
+    , m_canvas2D(new MaskEditorCanvas)
 {
     auto* layout = new QHBoxLayout;
     setLayout(layout);
@@ -38,7 +38,7 @@ MaskEditingFrame::MaskEditingFrame(QWidget* parent)
     auto* splitter = new QSplitter;
     layout->addWidget(splitter);
     splitter->setOrientation(Qt::Horizontal);
-    splitter->addWidget(m_canvas);
+    splitter->addWidget(m_canvas2D);
     splitter->addWidget(m_panel);
     splitter->setCollapsible(1, true);
 
@@ -49,32 +49,32 @@ MaskEditingFrame::MaskEditingFrame(QWidget* parent)
 
     //... Connections
 
-    connect(m_actions, &MaskEditorActions::resetViewRequest, m_canvas,
+    connect(m_actions, &MaskEditorActions::resetViewRequest, m_canvas2D,
             &MaskEditorCanvas::onResetViewRequest);
 
     connect(m_actions, &MaskEditorActions::propertyPanelRequest,
             [this] { m_panel->setPanelHidden(!m_panel->isHidden()); });
 
-    connect(m_actions, &MaskEditorActions::savePlotRequest, m_canvas,
+    connect(m_actions, &MaskEditorActions::savePlotRequest, m_canvas2D,
             &MaskEditorCanvas::onSavePlotRequest);
 
-    connect(toolbar, &MaskToolbar::activityChanged, m_canvas->getScene(),
+    connect(toolbar, &MaskToolbar::activityChanged, m_canvas2D->getScene(),
             &MaskGraphicsScene::onActivityChanged);
 
-    connect(toolbar, &MaskToolbar::maskValueChanged, m_canvas->getScene(),
+    connect(toolbar, &MaskToolbar::maskValueChanged, m_canvas2D->getScene(),
             &MaskGraphicsScene::onMaskValueChanged);
 
-    connect(toolbar, &MaskToolbar::presentationChange, m_canvas,
+    connect(toolbar, &MaskToolbar::presentationChange, m_canvas2D,
             &MaskEditorCanvas::onPresentationChange);
 
     // space bar push (request for zoom mode)
-    connect(m_canvas, &MaskEditorCanvas::changeActivityRequest, toolbar,
+    connect(m_canvas2D, &MaskEditorCanvas::changeActivityRequest, toolbar,
             &MaskToolbar::onChangeActivityRequest);
 
-    connect(m_canvas, &MaskEditorCanvas::deleteSelectedRequest, m_actions,
+    connect(m_canvas2D, &MaskEditorCanvas::deleteSelectedRequest, m_actions,
             &MaskEditorActions::onDeleteMaskAction);
 
-    connect(m_canvas->getScene(), &MaskGraphicsScene::itemContextMenuRequest, m_actions,
+    connect(m_canvas2D->getScene(), &MaskGraphicsScene::itemContextMenuRequest, m_actions,
             &MaskEditorActions::onItemContextMenuRequest);
 
     connect(m_panel, &MaskPanel::itemContextMenuRequest, m_actions,
@@ -103,7 +103,7 @@ void MaskEditingFrame::updateFrame()
 
     m_panel->updateMaskPanel(mask_list_model);
 
-    m_canvas->updateCanvas(currentData2DItem(), m_panel->selectionModel());
+    m_canvas2D->updateCanvas(currentData2DItem(), m_panel->selectionModel());
 
     m_actions->setModels(mask_list_model, m_panel->selectionModel());
 
@@ -119,5 +119,5 @@ void MaskEditingFrame::showEvent(QShowEvent*)
 void MaskEditingFrame::hideEvent(QHideEvent*)
 {
     m_panel->resetMaskPanel();
-    m_canvas->resetCanvas();
+    m_canvas2D->resetCanvas();
 }
diff --git a/GUI/View/Frame/MaskEditingFrame.h b/GUI/View/Frame/MaskEditingFrame.h
index b4112de9047e524a7dad56c19b8b02b6f5bfa9f8..ca22139161d32fce6e1a4a112091d4bc61ca13c3 100644
--- a/GUI/View/Frame/MaskEditingFrame.h
+++ b/GUI/View/Frame/MaskEditingFrame.h
@@ -39,7 +39,7 @@ private:
 
     MaskEditorActions* m_actions;
     MaskPanel* m_panel;
-    MaskEditorCanvas* m_canvas;
+    MaskEditorCanvas* m_canvas2D;
 };
 
 #endif // BORNAGAIN_GUI_VIEW_FRAME_MASKEDITINGFRAME_H