diff --git a/Stream_support/include/CGAL/IO/Generic_writer.h b/Stream_support/include/CGAL/IO/Generic_writer.h
index d707587e2fd..3412143f842 100644
--- a/Stream_support/include/CGAL/IO/Generic_writer.h
+++ b/Stream_support/include/CGAL/IO/Generic_writer.h
@@ -34,10 +34,12 @@ public:
   Generic_writer(Stream& out) : m_out(out) { }
   Generic_writer(Stream& out, FileWriter writer) : m_out(out), m_writer(writer) { }
 
-  template <typename Point_3, typename Polygon_3>
-  bool operator()(const std::vector<Point_3>& points,
-                  const std::vector<Polygon_3>& polygons)
+  template <typename PointRange_3, typename PolygonRange_3>
+  bool operator()(const PointRange_3& points,
+                  const PolygonRange_3& polygons)
   {
+    typedef typename PointRange_3::value_type Point_3;
+    typedef typename PolygonRange_3::value_type Polygon_3;
     if(m_out.fail())
       return false;
 
diff --git a/Stream_support/include/CGAL/IO/OFF.h b/Stream_support/include/CGAL/IO/OFF.h
index 385364a732b..963e2efba62 100644
--- a/Stream_support/include/CGAL/IO/OFF.h
+++ b/Stream_support/include/CGAL/IO/OFF.h
@@ -110,7 +110,7 @@ bool read_OFF(std::istream& is,
     if(!is.good())
       return false;
 
-    IO::internal::resize(polygons[i], no);
+    CGAL::internal::resize(polygons[i], no);
     for(std::size_t j=0; j<no; ++j)
     {
       std::size_t id;
diff --git a/Stream_support/include/CGAL/IO/PLY.h b/Stream_support/include/CGAL/IO/PLY.h
index 7ec7e74c87d..87acfe25259 100644
--- a/Stream_support/include/CGAL/IO/PLY.h
+++ b/Stream_support/include/CGAL/IO/PLY.h
@@ -22,17 +22,20 @@ namespace CGAL {
 ////////////////////////////////////////////////////////////////////////////////////////////////////
 ////////////////////////////////////////////////////////////////////////////////////////////////////
 /// Read
-
-template <class Point_3, class Polygon_3, class Color_rgb>
+//HEdgesRange" = range of std::pair<unsigned int, unsigned int>
+//HUVRange = range of std::pair<float, float>
+template <class PointRange, class PolygonRange, class ColorRange, class HEdgesRange, class HUVRange>
 bool read_PLY(std::istream& is,
-              std::vector<Point_3>& points,
-              std::vector<Polygon_3>& polygons,
-              std::vector<std::pair<unsigned int, unsigned int> >& hedges,
-              std::vector<Color_rgb>& fcolors,
-              std::vector<Color_rgb>& vcolors,
-              std::vector<std::pair<float, float> >& huvs,
+              PointRange& points,
+              PolygonRange& polygons,
+              HEdgesRange& hedges,
+              ColorRange& fcolors,
+              ColorRange& vcolors,
+              HUVRange& huvs,
               bool /* verbose */ = false)
 {
+  typedef typename PointRange::value_type Point_3;
+  typedef typename ColorRange::value_type Color_rgb;
   if(!is.good())
   {
     std::cerr << "Error: cannot open file" << std::endl;
@@ -181,18 +184,19 @@ bool read_PLY(std::istream& is,
   return !is.fail();
 }
 
-template <class Point_3, class Polygon_3, class Color_rgb>
+template <class PointRange, class PolygonRange, class ColorRange>
 bool read_PLY(std::istream& is,
-              std::vector<Point_3>& points,
-              std::vector<Polygon_3>& polygons,
-              std::vector<Color_rgb>& fcolors,
-              std::vector<Color_rgb>& vcolors,
+              PointRange& points,
+              PolygonRange& polygons,
+              ColorRange& fcolors,
+              ColorRange& vcolors,
               bool /* verbose */ = false)
 {
+
   std::vector<std::pair<unsigned int, unsigned int> > dummy_pui;
   std::vector<std::pair<float, float> > dummy_pf;
 
-  return read_PLY<Point_3, Polygon_3, Color_rgb>(is, points, polygons, dummy_pui, fcolors, vcolors, dummy_pf);
+  return read_PLY(is, points, polygons, dummy_pui, fcolors, vcolors, dummy_pf);
 }
 
 /*!
@@ -200,15 +204,22 @@ bool read_PLY(std::istream& is,
  *
  * reads the content of `is` into `points` and `polygons`, in the PLY format.
  *
+ * `PointRange` is a model of the concepts `RandomAccessContainer`
+ * and `BackInsertionSequence` whose `value type` is a `CGAL::Point_3`.
+ *
+ * `PolygonRange` is a model of the concepts `RandomAccessContainer`
+ * and `BackInsertionSequence` whose `value type` is `std::size_t`.
+ *
  * \see \ref IOStreamPLY
  */
-template <class Point_3, class Polygon_3>
+template <class PointRange, class PolygonRange>
 bool
 read_PLY(std::istream& is,
-         std::vector<Point_3>& points,
-         std::vector<Polygon_3>& polygons,
+         PointRange& points,
+         PolygonRange& polygons,
          bool /* verbose */ = false)
 {
+  typedef typename PointRange::value_type Point_3;
   if(!is.good())
   {
     std::cerr << "Error: cannot open file" << std::endl;
@@ -294,13 +305,21 @@ read_PLY(std::istream& is,
  *
  * writes the content of `points` and `polygons` in `out`, in the OFF format.
  *
+ * `PointRange` is a model of the concepts `RandomAccessContainer`
+ * and `BackInsertionSequence` whose `value type` is a `CGAL::Point_3`.
+ *
+ * `PolygonRange` is a model of the concepts `RandomAccessContainer`
+ * and `BackInsertionSequence` whose `value type` is `std::size_t`.
  * \see \ref IOStreamOFF
  */
-template <class Point_3, class Polygon_3>
+template <class PointRange, class PolygonRange>
 bool write_PLY(std::ostream& out,
-               const std::vector<Point_3>& points,
-               const std::vector<Polygon_3>& polygons)
+               const PointRange& points,
+               const PolygonRange& polygons)
 {
+
+  typedef typename PointRange::value_type Point_3;
+  typedef typename PolygonRange::value_type Polygon_3;
   if(!out.good())
   {
     std::cerr << "Error: cannot open file" << std::endl;
diff --git a/Stream_support/include/CGAL/IO/PLY/PLY_reader.h b/Stream_support/include/CGAL/IO/PLY/PLY_reader.h
index 50ae7b13411..4d8b44e8f26 100644
--- a/Stream_support/include/CGAL/IO/PLY/PLY_reader.h
+++ b/Stream_support/include/CGAL/IO/PLY/PLY_reader.h
@@ -673,13 +673,15 @@ void process_properties(PLY_element& element, OutputValueType& new_element,
                      std::forward<PropertyMapBinders>(properties)...);
 }
 
-template <typename Integer, class Polygon_3, class Color_rgb>
+template <typename Integer, class PolygonRange, class ColorRange>
 bool read_PLY_faces(std::istream& in,
                     IO::internal::PLY_element& element,
-                    std::vector< Polygon_3 >& polygons,
-                    std::vector< Color_rgb >& fcolors,
+                    PolygonRange& polygons,
+                    ColorRange& fcolors,
                     const char* vertex_indices_tag)
 {
+  typedef typename PolygonRange::value_type Polygon_3;
+  typedef typename ColorRange::value_type Color_rgb;
   bool has_colors = false;
   std::string rtag = "r", gtag = "g", btag = "b";
 
diff --git a/Stream_support/include/CGAL/IO/STL.h b/Stream_support/include/CGAL/IO/STL.h
index bc93a3b0d1b..be3bed95b28 100644
--- a/Stream_support/include/CGAL/IO/STL.h
+++ b/Stream_support/include/CGAL/IO/STL.h
@@ -170,7 +170,7 @@ std::ostream& write_STL(std::ostream& out,
                         const PointRange& points,
                         const TriangleRange& facets)
 {
-  typedef typename boost::range_value<PointRange>::type               Triangle;
+  typedef typename boost::range_value<TriangleRange>::type            Triangle;
   typedef typename boost::range_value<PointRange>::type               Point;
   typedef typename CGAL::Kernel_traits<Point>::Kernel                 K;
   typedef typename K::Vector_3                                        Vector_3;
diff --git a/Stream_support/include/CGAL/IO/STL/STL_reader.h b/Stream_support/include/CGAL/IO/STL/STL_reader.h
index 5112cd1e8a0..b8072e83ae9 100644
--- a/Stream_support/include/CGAL/IO/STL/STL_reader.h
+++ b/Stream_support/include/CGAL/IO/STL/STL_reader.h
@@ -49,7 +49,7 @@ bool read_ASCII_facet(std::istream& is,
   double x,y,z;
   Point p;
   Triangle ijk;
-  IO::internal::resize(ijk, 3);
+  CGAL::internal::resize(ijk, 3);
 
   while(is >> s)
   {
@@ -236,7 +236,7 @@ bool parse_binary_STL(std::istream& is,
     }
 
     Triangle ijk;
-    IO::internal::resize(ijk, 3);
+    CGAL::internal::resize(ijk, 3);
 
     for(int j=0; j<3; ++j)
     {
diff --git a/Stream_support/test/Stream_support/test_3mf_to_sm.cpp b/Stream_support/test/Stream_support/test_3mf_to_sm.cpp
index e2602eacf0c..f76f522718f 100644
--- a/Stream_support/test/Stream_support/test_3mf_to_sm.cpp
+++ b/Stream_support/test/Stream_support/test_3mf_to_sm.cpp
@@ -30,6 +30,7 @@ typedef std::vector<CGAL::Color> ColorRange;
 
 int main(int argc, char** argv)
 {
+  #ifdef CGAL_LINKED_WITH_3MF
   const char* file_name=(argc == 2) ? argv[1] : "data/test.3mf";
 
   std::vector<PointRange> all_points;
@@ -130,6 +131,7 @@ int main(int argc, char** argv)
   CGAL::write_triangle_meshes_to_3mf("meshes.3mf", meshes, names);
 
   std::cout<<"OK."<<std::endl;
+#endif //CGAL_LINKED_WITH_3MF
   return 0;
 }
 
diff --git a/Stream_support/test/Stream_support/test_STL.cpp b/Stream_support/test/Stream_support/test_STL.cpp
index 4c00024f66d..effb37a1f01 100644
--- a/Stream_support/test/Stream_support/test_STL.cpp
+++ b/Stream_support/test/Stream_support/test_STL.cpp
@@ -34,7 +34,7 @@ int main ()
   faces[3].push_back(3);
 
   std::ofstream os("tetra.stl");
-  CGAL::write_STL(ps, faces, os);
+  CGAL::write_STL(os, ps, faces);
   if(!os)
   {
     std::cerr<<"error during STL writing."<<std::endl;
diff --git a/Stream_support/test/Stream_support/vrml2.cpp b/Stream_support/test/Stream_support/vrml2.cpp
index 739baf28c31..a923bd7e21f 100644
--- a/Stream_support/test/Stream_support/vrml2.cpp
+++ b/Stream_support/test/Stream_support/vrml2.cpp
@@ -1,7 +1,7 @@
 // file: test/Support_stream/VRML2.C
 
 #include <CGAL/Simple_cartesian.h>
-#include <CGAL/IO/VRML_2_ostream.h>
+#include <CGAL/IO/VRML/VRML_2_ostream.h>
 #include <iostream>
 
 typedef CGAL::Simple_cartesian<double>  Kernel;