diff --git a/README.md b/README.md
index 74bc8f8..3e6663b 100644
--- a/README.md
+++ b/README.md
@@ -40,11 +40,15 @@ What's new
 Example
 -------
 
-![Rungholt](https://github.com/syoyo/tinyobjloader/blob/master/images/rungholt.jpg?raw=true)
+![Rungholt](images/rungholt.jpg)
 
 tinyobjloader can successfully load 6M triangles Rungholt scene.
 http://graphics.cs.williams.edu/data/meshes.xml
 
+![](images/sanmugel.png) 
+
+* [examples/viewer/](examples/viewer) OpenGL .obj viewer 
+
 Use case
 --------
 
diff --git a/examples/viewer/README.md b/examples/viewer/README.md
index 4e0e087..8cb41c1 100644
--- a/examples/viewer/README.md
+++ b/examples/viewer/README.md
@@ -1 +1,16 @@
-Simple .obj viewer with glew + glfw3 + OpenGL
+# Simple .obj viewer with glew + glfw3 + OpenGL
+
+## Build on Windows.
+
+### Requirements
+
+* premake5
+* Visual Studio 2013
+* Windows 64bit
+  * 32bit may work.
+
+Put glfw3 and glew library somewhere and replace include and lib path in `premake4.lua`
+
+Then,
+
+    > premake5.exe vs2013
diff --git a/examples/viewer/premake4.lua b/examples/viewer/premake4.lua
new file mode 100644
index 0000000..66da6f9
--- /dev/null
+++ b/examples/viewer/premake4.lua
@@ -0,0 +1,43 @@
+solution "objview"
+	-- location ( "build" )
+	configurations { "Debug", "Release" }
+	platforms {"native", "x64", "x32"}
+	
+	project "objview"
+
+		kind "ConsoleApp"
+		language "C++"
+		files { "viewer.cc", "trackball.cc" }
+		includedirs { "./" }
+		includedirs { "../../" }
+
+		configuration { "linux" }
+			linkoptions { "`pkg-config --libs glfw3`" }
+			links { "GL", "GLU", "m", "GLEW", "X11", "Xrandr", "Xinerama", "Xi", "Xxf86vm", "Xcursor", "dl" }
+
+		configuration { "windows" }
+			-- Path to GLFW3
+			includedirs { '../../../../local/glfw-3.1.2.bin.WIN64/include' }
+			libdirs { '../../../../local/glfw-3.1.2.bin.WIN64/lib-vc2013' }
+			-- Path to GLEW
+			includedirs { '../../../../local/glew-1.13.0/include' }
+			libdirs { '../../../../local/glew-1.13.0/lib/Release/x64' }
+
+			links { "glfw3", "glew32", "gdi32", "winmm", "user32", "glu32","opengl32", "kernel32" }
+			defines { "_CRT_SECURE_NO_WARNINGS" }
+
+		configuration { "macosx" }
+			includedirs { "/usr/local/include" }
+			buildoptions { "-Wno-deprecated-declarations" }
+			libdirs { "/usr/local/lib" }
+			links { "glfw3", "GLEW" }
+			linkoptions { "-framework OpenGL", "-framework Cocoa", "-framework IOKit", "-framework CoreVideo" }
+
+		configuration "Debug"
+			defines { "DEBUG" }
+			flags { "Symbols", "ExtraWarnings"}
+
+		configuration "Release"
+			defines { "NDEBUG" }
+			flags { "Optimize", "ExtraWarnings"}
+
diff --git a/examples/viewer/viewer.cc b/examples/viewer/viewer.cc
index 44eac0e..4f1c211 100644
--- a/examples/viewer/viewer.cc
+++ b/examples/viewer/viewer.cc
@@ -9,6 +9,7 @@
 #include <limits>
 #include <cmath>
 #include <cassert>
+#include <algorithm>	
 
 #include <GL/glew.h>
 
@@ -20,6 +21,7 @@
 
 #include <GLFW/glfw3.h>
 
+#define TINYOBJLOADER_IMPLEMENTATION
 #include "../../tiny_obj_loader.h"
 
 #include "trackball.h"
@@ -203,7 +205,7 @@ void reshapeFunc(GLFWwindow* window, int w, int h)
   glViewport(0, 0, w, h);
   glMatrixMode(GL_PROJECTION);
   glLoadIdentity();
-  gluPerspective(45.0, (float)w / (float)h, 0.1f, 1000.0f);
+  gluPerspective(45.0, (float)w / (float)h, 0.01f, 100.0f);
   glMatrixMode(GL_MODELVIEW);
   glLoadIdentity();
 
diff --git a/images/sanmugel.png b/images/sanmugel.png
new file mode 100644
index 0000000..32ea150
Binary files /dev/null and b/images/sanmugel.png differ
diff --git a/tests/README.md b/tests/README.md
index 6ed65ff..1b0b43d 100644
--- a/tests/README.md
+++ b/tests/README.md
@@ -20,6 +20,18 @@ Are installed.
 
 ### Windows
 
+Visual Studio 2013 is required to build tester.
+
+On Windows console.
+
     > python kuroga.py config-msvc.py
     > vcbuild.bat
 
+
+Or on msys2 bash,
+
+    $ python kuroga.py config-msvc.py
+    $ cmd //c vcbuild.bat
+
+ 
+