diff -r e628fc2e0c72 -r 03f8e6d42e13 src/parser.cpp
--- a/src/parser.cpp	Thu Mar 03 21:13:16 2022 +0200
+++ b/src/parser.cpp	Fri Mar 04 11:37:50 2022 +0200
@@ -233,7 +233,7 @@
  * @brief Parses the model body into the given model.
  * @param editor Handle to model edit context
  */
-void Parser::parseBody(Model::EditContext& editor)
+void Parser::parseBody(Model& model)
 {
 	bool invertNext = false;
 	while (not this->device.atEnd())
@@ -249,10 +249,10 @@
 			continue;
 		}
 		std::unique_ptr<ldraw::Object> object = parseFromString(line);
-		auto id = editor.append(std::move(object));
+		model.append(std::move(object));
 		if (invertNext)
 		{
-			editor.invertObject(id);
+			model[model.size() - 1]->invert();
 		}
 		invertNext = false;
 	}