diff --git a/xs/src/libslic3r/Point.hpp b/xs/src/libslic3r/Point.hpp
index 097ea4c69..31487d16f 100644
--- a/xs/src/libslic3r/Point.hpp
+++ b/xs/src/libslic3r/Point.hpp
@@ -13,17 +13,21 @@ class Line;
 class Linef;
 class MultiPoint;
 class Point;
+class Point3;
 class Pointf;
 class Pointf3;
 typedef Point Vector;
 typedef Pointf Vectorf;
 typedef Pointf3 Vectorf3;
+using Vector3 = Point3;
 typedef std::vector<Point> Points;
 typedef std::vector<Point*> PointPtrs;
 typedef std::vector<const Point*> PointConstPtrs;
 typedef std::vector<Pointf> Pointfs;
 typedef std::vector<Pointf3> Pointf3s;
 
+using Point3s = std::vector<Point3>;
+
 class Point
 {
     public: