diff --git a/common/lc_commands.cpp b/common/lc_commands.cpp
index a07fec55..cb45218b 100644
--- a/common/lc_commands.cpp
+++ b/common/lc_commands.cpp
@@ -1047,6 +1047,20 @@ lcCommand gCommands[LC_NUM_COMMANDS] =
 		QT_TRANSLATE_NOOP("Status", "Make copies of the selected pieces"),
 		QT_TRANSLATE_NOOP("Shortcut", "")
 	},
+	// LC_PIECE_MOVE_SELECTION_TO_MODEL
+	{
+		"Piece.MoveSelectionToModel",
+		QT_TRANSLATE_NOOP("Menu", "Move Selection To Model..."),
+		QT_TRANSLATE_NOOP("Status", "Move the currently selected pieces to a new model and replaces them with a reference to the model"),
+		QT_TRANSLATE_NOOP("Shortcut", "")
+	},
+	// LC_PIECE_INLINE_SELECTED_MODELS
+	{
+		"Piece.InlineSelectedModels",
+		QT_TRANSLATE_NOOP("Menu", "Inline Selected Models"),
+		QT_TRANSLATE_NOOP("Status", "Insert the contents of the selected model references into the current model"),
+		QT_TRANSLATE_NOOP("Shortcut", "")
+	},
 	// LC_PIECE_GROUP
 	{
 		"Piece.Group",
diff --git a/common/lc_commands.h b/common/lc_commands.h
index 7554b7fc..dd2af6ec 100644
--- a/common/lc_commands.h
+++ b/common/lc_commands.h
@@ -160,6 +160,8 @@ enum lcCommandId
 	LC_PIECE_ROTATE_MINUSZ,
 	LC_PIECE_MINIFIG_WIZARD,
 	LC_PIECE_ARRAY,
+	LC_PIECE_MOVE_SELECTION_TO_MODEL,
+	LC_PIECE_INLINE_SELECTED_MODELS,
 	LC_PIECE_GROUP,
 	LC_PIECE_UNGROUP,
 	LC_PIECE_GROUP_ADD,
diff --git a/common/lc_mainwindow.cpp b/common/lc_mainwindow.cpp
index 3f2620cb..4c16e317 100644
--- a/common/lc_mainwindow.cpp
+++ b/common/lc_mainwindow.cpp
@@ -415,6 +415,9 @@ void lcMainWindow::CreateMenus()
 	PieceMenu->addAction(mActions[LC_PIECE_ARRAY]);
 	PieceMenu->addAction(mActions[LC_PIECE_MINIFIG_WIZARD]);
 	PieceMenu->addSeparator();
+	PieceMenu->addAction(mActions[LC_PIECE_MOVE_SELECTION_TO_MODEL]);
+	PieceMenu->addAction(mActions[LC_PIECE_INLINE_SELECTED_MODELS]);
+	PieceMenu->addSeparator();
 	PieceMenu->addAction(mActions[LC_PIECE_GROUP]);
 	PieceMenu->addAction(mActions[LC_PIECE_UNGROUP]);
 	PieceMenu->addAction(mActions[LC_PIECE_GROUP_REMOVE]);
@@ -1485,6 +1488,8 @@ void lcMainWindow::UpdateSelectedObjects(int Flags, int SelectedCount, lcObject*
 	mActions[LC_PIECE_HIDE_UNSELECTED]->setEnabled(Flags & LC_SEL_UNSELECTED);
 	mActions[LC_PIECE_UNHIDE_SELECTED]->setEnabled(Flags & LC_SEL_HIDDEN_SELECTED);
 	mActions[LC_PIECE_UNHIDE_ALL]->setEnabled(Flags & LC_SEL_HIDDEN);
+	mActions[LC_PIECE_MOVE_SELECTION_TO_MODEL]->setEnabled(Flags & LC_SEL_PIECE);
+	mActions[LC_PIECE_INLINE_SELECTED_MODELS]->setEnabled(Flags & LC_SEL_MODEL_SELECTED);
 	mActions[LC_PIECE_GROUP]->setEnabled(Flags & LC_SEL_CAN_GROUP);
 	mActions[LC_PIECE_UNGROUP]->setEnabled(Flags & LC_SEL_GROUPED);
 	mActions[LC_PIECE_GROUP_ADD]->setEnabled((Flags & (LC_SEL_GROUPED | LC_SEL_FOCUS_GROUPED)) == LC_SEL_GROUPED);
@@ -2109,6 +2114,14 @@ void lcMainWindow::HandleCommand(lcCommandId CommandId)
 		lcGetActiveModel()->ShowArrayDialog();
 		break;
 
+	case LC_PIECE_MOVE_SELECTION_TO_MODEL:
+		lcGetActiveModel()->MoveSelectionToModel();
+		break;
+
+	case LC_PIECE_INLINE_SELECTED_MODELS:
+		lcGetActiveModel()->InlineSelectedModels();
+		break;
+
 	case LC_PIECE_GROUP:
 		lcGetActiveModel()->GroupSelection();
 		break;
diff --git a/common/lc_model.cpp b/common/lc_model.cpp
index f871ec20..eda7db5b 100644
--- a/common/lc_model.cpp
+++ b/common/lc_model.cpp
@@ -1890,12 +1890,18 @@ void lcModel::AddPiece(lcPiece* Piece)
 	{
 		if (mPieces[PieceIdx]->GetStepShow() > Piece->GetStepShow())
 		{
-			mPieces.InsertAt(PieceIdx, Piece);
+			InsertPiece(Piece, PieceIdx);
 			return;
 		}
 	}
 
+	InsertPiece(Piece, mPieces.GetSize());
+}
+
+void lcModel::InsertPiece(lcPiece* Piece, int Index)
+{
 	PieceInfo* Info = Piece->mPieceInfo;
+
 	if (!Info->IsModel())
 	{
 		lcMesh* Mesh = Info->IsTemporary() ? gPlaceholderMesh : Info->GetMesh();
@@ -1904,7 +1910,7 @@ void lcModel::AddPiece(lcPiece* Piece)
 			lcGetPiecesLibrary()->mBuffersDirty = true;
 	}
 
-	mPieces.Add(Piece);
+	mPieces.InsertAt(Index, Piece);
 }
 
 void lcModel::DeleteAllCameras()
@@ -2056,6 +2062,60 @@ void lcModel::SetPieceSteps(const QList<QPair<lcPiece*, lcStep>>& PieceSteps)
 	}
 }
 
+void lcModel::MoveSelectionToModel()
+{
+}
+
+void lcModel::InlineSelectedModels()
+{
+	lcArray<lcPiece*> NewPieces;
+
+	for (int PieceIdx = 0; PieceIdx < mPieces.GetSize(); )
+	{
+		lcPiece* Piece = mPieces[PieceIdx];
+
+		if (!Piece->IsSelected() || !Piece->mPieceInfo->IsModel())
+		{
+			PieceIdx++;
+			continue;
+		}
+
+		mPieces.RemoveIndex(PieceIdx);
+
+		lcArray<lcModelPartsEntry> ModelParts;
+		Piece->mPieceInfo->GetModelParts(Piece->mModelWorld, Piece->mColorIndex, ModelParts);
+
+		for (int InsertIdx = 0; InsertIdx < ModelParts.GetSize(); InsertIdx++)
+		{
+			lcModelPartsEntry& Entry = ModelParts[InsertIdx];
+
+			lcPiece* NewPiece = new lcPiece(Entry.Info);
+
+			NewPiece->Initialize(Entry.WorldMatrix, Piece->GetStepShow());
+			NewPiece->SetColorIndex(Entry.ColorIndex);
+			NewPiece->UpdatePosition(mCurrentStep);
+
+			NewPieces.Add(NewPiece);
+			InsertPiece(NewPiece, PieceIdx);
+			PieceIdx++;
+		}
+
+		delete Piece;
+	}
+
+	if (!NewPieces.GetSize())
+	{
+		QMessageBox::information(gMainWindow, tr("LeoCAD"), tr("No models selected."));
+		return;
+	}
+
+	SaveCheckpoint("Inlining");
+	gMainWindow->UpdateAllViews();
+	gMainWindow->UpdateTimeline(false, false);
+	gMainWindow->UpdateFocusObject(GetFocusObject());
+	UpdateSelection();
+}
+
 bool lcModel::RemoveSelectedObjects()
 {
 	bool RemovedPiece = false;
@@ -2844,6 +2904,9 @@ void lcModel::UpdateSelection() const
 				if (Piece->IsFocused())
 					Focus = Piece;
 
+				if (Piece->mPieceInfo->IsModel())
+					Flags |= LC_SEL_MODEL_SELECTED;
+
 				if (Piece->IsHidden())
 					Flags |= LC_SEL_HIDDEN | LC_SEL_HIDDEN_SELECTED;
 				else
diff --git a/common/lc_model.h b/common/lc_model.h
index c82396a8..6a2ee102 100644
--- a/common/lc_model.h
+++ b/common/lc_model.h
@@ -15,6 +15,7 @@
 #define LC_SEL_GROUPED           0x080 // At least one piece selected is grouped
 #define LC_SEL_FOCUS_GROUPED     0x100 // Focused piece is grouped
 #define LC_SEL_CAN_GROUP         0x200 // Can make a new group
+#define LC_SEL_MODEL_SELECTED    0x400 // At least one model reference is selected
 
 enum lcTransformType
 {
@@ -199,6 +200,9 @@ public:
 	void ShowSelectedPiecesLater();
 	void SetPieceSteps(const QList<QPair<lcPiece*, lcStep>>& PieceSteps);
 
+	void MoveSelectionToModel();
+	void InlineSelectedModels();
+
 	lcGroup* AddGroup(const QString& Prefix, lcGroup* Parent);
 	lcGroup* GetGroup(const QString& Name, bool CreateIfMissing);
 	void RemoveGroup(lcGroup* Group);
@@ -331,6 +335,7 @@ protected:
 	void SelectGroup(lcGroup* TopGroup, bool Select);
 
 	void AddPiece(lcPiece* Piece);
+	void InsertPiece(lcPiece* Piece, int Index);
 
 	lcModelProperties mProperties;
 	PieceInfo* mPieceInfo;