diff -r e2080ac44039 -r 488d0ba6070b src/colors.cpp
--- a/src/colors.cpp	Fri Sep 17 22:43:22 2021 +0300
+++ b/src/colors.cpp	Tue Sep 21 16:00:15 2021 +0300
@@ -127,3 +127,13 @@
 		return colorTable[color].faceColor;
 	}
 }
+
+QDataStream& operator<<(QDataStream& stream, ldraw::Color color)
+{
+	return stream << color.index;
+}
+
+QDataStream& operator>>(QDataStream& stream, ldraw::Color& color)
+{
+	return stream >> color.index;
+}