diff -r 70c67c2c4e36 -r b8bd338eb602 src/ui/polygonobjecteditor.h
--- a/src/ui/polygonobjecteditor.h	Tue Mar 17 23:13:47 2020 +0200
+++ b/src/ui/polygonobjecteditor.h	Wed Mar 18 15:52:16 2020 +0200
@@ -1,6 +1,7 @@
 #pragma once
 #include <QWidget>
 #include "main.h"
+#include "../widgets/vec3editor.h"
 
 class Model;
 
@@ -15,5 +16,5 @@
 	void updateNumRows();
 	Model* model;
 	ldraw::id_t storedObjectId;
-	std::vector<std::unique_ptr<class Vec3Editor>> vec3Editors;
+	std::optional<Vec3Editor> vec3Editors[4];
 };