diff --git a/scwx-qt/source/scwx/qt/model/layer_model.cpp b/scwx-qt/source/scwx/qt/model/layer_model.cpp
index c2d1fcce..32234753 100644
--- a/scwx-qt/source/scwx/qt/model/layer_model.cpp
+++ b/scwx-qt/source/scwx/qt/model/layer_model.cpp
@@ -1117,6 +1117,24 @@ LayerInfo tag_invoke(boost::json::value_to_tag<LayerInfo>,
       boost::json::value_to<std::array<bool, 4>>(jv.at(kDisplayedName_))};
 }
 
+std::shared_ptr<LayerModel> LayerModel::Instance()
+{
+   static std::weak_ptr<LayerModel> layerModelReference_ {};
+   static std::mutex                instanceMutex_ {};
+
+   std::unique_lock lock(instanceMutex_);
+
+   std::shared_ptr<LayerModel> layerModel = layerModelReference_.lock();
+
+   if (layerModel == nullptr)
+   {
+      layerModel           = std::make_shared<LayerModel>();
+      layerModelReference_ = layerModel;
+   }
+
+   return layerModel;
+}
+
 } // namespace model
 } // namespace qt
 } // namespace scwx
diff --git a/scwx-qt/source/scwx/qt/model/layer_model.hpp b/scwx-qt/source/scwx/qt/model/layer_model.hpp
index 0058aa43..6b1fe43d 100644
--- a/scwx-qt/source/scwx/qt/model/layer_model.hpp
+++ b/scwx-qt/source/scwx/qt/model/layer_model.hpp
@@ -74,6 +74,8 @@ public:
                  const QModelIndex& destinationParent,
                  int                destinationChild) override;
 
+   static std::shared_ptr<LayerModel> Instance();
+
 public slots:
    void HandlePlacefileRemoved(const std::string& name);
    void HandlePlacefileRenamed(const std::string& oldName,
diff --git a/scwx-qt/source/scwx/qt/ui/layer_dialog.cpp b/scwx-qt/source/scwx/qt/ui/layer_dialog.cpp
index 1f754ae9..828a6b48 100644
--- a/scwx-qt/source/scwx/qt/ui/layer_dialog.cpp
+++ b/scwx-qt/source/scwx/qt/ui/layer_dialog.cpp
@@ -22,10 +22,10 @@ class LayerDialogImpl
 public:
    explicit LayerDialogImpl(LayerDialog* self) :
        self_ {self},
-       layerModel_ {new model::LayerModel(self)},
+       layerModel_ {model::LayerModel::Instance()},
        layerProxyModel_ {new QSortFilterProxyModel(self_)}
    {
-      layerProxyModel_->setSourceModel(layerModel_);
+      layerProxyModel_->setSourceModel(layerModel_.get());
       layerProxyModel_->setFilterCaseSensitivity(
          Qt::CaseSensitivity::CaseInsensitive);
       layerProxyModel_->setFilterKeyColumn(-1);
@@ -38,9 +38,9 @@ public:
    std::vector<int>              GetSelectedRows();
    std::vector<std::vector<int>> GetContiguousRows();
 
-   LayerDialog*           self_;
-   model::LayerModel*     layerModel_;
-   QSortFilterProxyModel* layerProxyModel_;
+   LayerDialog*                       self_;
+   std::shared_ptr<model::LayerModel> layerModel_;
+   QSortFilterProxyModel*             layerProxyModel_;
 };
 
 LayerDialog::LayerDialog(QWidget* parent) :
@@ -101,7 +101,7 @@ void LayerDialogImpl::ConnectSignals()
                            const QItemSelection& /* deselected */)
                     { UpdateMoveButtonsEnabled(); });
 
-   QObject::connect(layerModel_,
+   QObject::connect(layerModel_.get(),
                     &QAbstractItemModel::rowsMoved,
                     self_,
                     [this]()