diff -r cd9d6bf6f649 -r f69d53c053df src/linetypes/quadrilateral.cpp
--- a/src/linetypes/quadrilateral.cpp	Wed Mar 09 14:07:58 2022 +0200
+++ b/src/linetypes/quadrilateral.cpp	Wed Mar 09 14:22:22 2022 +0200
@@ -50,3 +50,8 @@
 {
 	return ":/icons/linetype-quadrilateral.png";
 }
+
+QString ldraw::Quadrilateral::typeName() const
+{
+	return QObject::tr("quadrilateral");
+}