diff -r 767592024ec5 -r 4c41bfe2ec6e src/linetypes/edge.cpp
--- a/src/linetypes/edge.cpp	Sun Jan 26 01:06:27 2020 +0200
+++ b/src/linetypes/edge.cpp	Sun Jan 26 14:29:30 2020 +0200
@@ -1,14 +1,14 @@
 #include "edge.h"
 
 linetypes::Edge::Edge(
-	const Point3D& point_1,
-	const Point3D& point_2,
+	const glm::vec3& point_1,
+	const glm::vec3& point_2,
 	const Color color_index) :
 	ColoredObject{color_index},
 	point_1{point_1},
 	point_2{point_2} {}
 
-linetypes::Edge::Edge(const QVector<Point3D>& vertices, const Color color) :
+linetypes::Edge::Edge(const QVector<glm::vec3>& vertices, const Color color) :
 	ColoredObject{color},
 	point_1{vertices[0]},
 	point_2{vertices[1]}
@@ -20,9 +20,9 @@
 	switch (property)
 	{
 	case Property::Point1:
-		return point_1;
+		return QVariant::fromValue(point_1);
 	case Property::Point2:
-		return point_2;
+		return QVariant::fromValue(point_2);
 	default:
 		return BaseClass::getProperty(property);
 	}
@@ -34,10 +34,10 @@
 	switch (property)
 	{
 	case Property::Point1:
-		point_1 = value.value<Point3D>();
+		point_1 = value.value<glm::vec3>();
 		return SetPropertyResult::Success;
 	case Property::Point2:
-		point_2 = value.value<Point3D>();
+		point_2 = value.value<glm::vec3>();
 		return SetPropertyResult::Success;
 	default:
 		return BaseClass::setProperty(property, value);
@@ -46,7 +46,7 @@
 
 QString linetypes::Edge::textRepresentation() const
 {
-	return utility::format("%1 %2", vertexToStringParens(point_1), vertexToStringParens(point_2));
+	return utility::format("%1 %2", utility::vertexToStringParens(point_1), utility::vertexToStringParens(point_2));
 }
 
 void linetypes::Edge::getPolygons(