diff -r 869fe95c4e5e -r 5bd755eaa5a8 src/linetypes/quadrilateral.cpp
--- a/src/linetypes/quadrilateral.cpp	Sat Mar 05 00:51:23 2022 +0200
+++ b/src/linetypes/quadrilateral.cpp	Sat Mar 05 12:42:14 2022 +0200
@@ -43,5 +43,10 @@
 		utility::vertexToString(this->points[0]),
 		utility::vertexToString(this->points[1]),
 		utility::vertexToString(this->points[2]),
-		utility::vertexToString(this->points[3]));
+			utility::vertexToString(this->points[3]));
 }
+
+QString ldraw::Quadrilateral::iconName() const
+{
+	return ":/icons/linetype-quadrilateral.png";
+}