diff -r 68443f5be176 -r 44679e468ba9 src/objecttypes/polygon.h
--- a/src/objecttypes/polygon.h	Sat Oct 05 23:47:03 2019 +0300
+++ b/src/objecttypes/polygon.h	Sun Nov 03 12:17:41 2019 +0200
@@ -16,6 +16,7 @@
 		const Vertex &point_2,
 		const Vertex &point_3,
 		Color color_index = colors::main);
+	Triangle(const QVector<Vertex>& vertices, const Color color);
 	QVariant getProperty(Property id) const override;
 	SetPropertyResult setProperty(Property id, const QVariant& value) override;
 	QString textRepresentation() const override;
@@ -33,6 +34,7 @@
 		const Vertex &point_3,
 		const Vertex &point_4,
 		Color color_index = colors::main);
+	Quadrilateral(const QVector<Vertex>& vertices, const Color color);
 	QVariant getProperty(Property id) const override;
 	SetPropertyResult setProperty(Property id, const QVariant& value) override;
 	QString textRepresentation() const override;