diff -r 869fe95c4e5e -r 5bd755eaa5a8 src/linetypes/quadrilateral.h
--- a/src/linetypes/quadrilateral.h	Sat Mar 05 00:51:23 2022 +0200
+++ b/src/linetypes/quadrilateral.h	Sat Mar 05 12:42:14 2022 +0200
@@ -15,4 +15,5 @@
 	void invert() override;
 	Type typeIdentifier() const override;
 	QString toLDrawCode() const override;
+	QString iconName() const override;
 };