diff -r 869fe95c4e5e -r 5bd755eaa5a8 src/linetypes/triangle.cpp
--- a/src/linetypes/triangle.cpp	Sat Mar 05 00:51:23 2022 +0200
+++ b/src/linetypes/triangle.cpp	Sat Mar 05 12:42:14 2022 +0200
@@ -40,5 +40,10 @@
 		this->colorIndex.index,
 		utility::vertexToString(this->points[0]),
 		utility::vertexToString(this->points[1]),
-		utility::vertexToString(this->points[2]));
+			utility::vertexToString(this->points[2]));
 }
+
+QString ldraw::Triangle::iconName() const
+{
+	return ":/icons/linetype-triangle.png";
+}