diff --git a/examples/obj_sticher/obj_writer.cc b/examples/obj_sticher/obj_writer.cc
index 67af93e..7d0f1ba 100644
--- a/examples/obj_sticher/obj_writer.cc
+++ b/examples/obj_sticher/obj_writer.cc
@@ -74,28 +74,41 @@ bool WriteObj(const std::string& filename, std::vector<tinyobj::shape_t> shapes)
       fprintf(fp, "usemtl %s\n", shapes[i].material.name.c_str());
     }
 
-    // vtx
-    for (size_t k = 0; k < shapes[i].mesh.positions.size() / 3; k++) {
-      fprintf(fp, "v %f %f %f\n",
-        shapes[i].mesh.positions[3*k+0],
-        shapes[i].mesh.positions[3*k+1],
-        shapes[i].mesh.positions[3*k+2]);
+    // facevarying vtx
+    for (size_t k = 0; k < shapes[i].mesh.indices.size() / 3; k++) {
+      for (int j = 0; j < 3; j++) {
+        int idx = shapes[i].mesh.indices[3*k+j];
+        fprintf(fp, "v %f %f %f\n",
+          shapes[i].mesh.positions[3*idx+0],
+          shapes[i].mesh.positions[3*idx+1],
+          shapes[i].mesh.positions[3*idx+2]);
+      }
     }
 
-    // normal
-    for (size_t k = 0; k < shapes[i].mesh.normals.size() / 3; k++) {
-      fprintf(fp, "vn %f %f %f\n",
-        shapes[i].mesh.normals[3*k+0],
-        shapes[i].mesh.normals[3*k+1],
-        shapes[i].mesh.normals[3*k+2]);
+    // facevarying normal
+    if (shapes[i].mesh.normals.size() > 0) {
+      for (size_t k = 0; k < shapes[i].mesh.indices.size() / 3; k++) {
+        for (int j = 0; j < 3; j++) {
+          int idx = shapes[i].mesh.indices[3*k+j];
+          fprintf(fp, "vn %f %f %f\n",
+            shapes[i].mesh.normals[3*idx+0],
+            shapes[i].mesh.normals[3*idx+1],
+            shapes[i].mesh.normals[3*idx+2]);
+        }
+      }
     }
     if (shapes[i].mesh.normals.size() > 0) has_vn = true;
 
     // texcoord
-    for (size_t k = 0; k < shapes[i].mesh.texcoords.size() / 2; k++) {
-      fprintf(fp, "vt %f %f\n",
-        shapes[i].mesh.texcoords[2*k+0],
-        shapes[i].mesh.texcoords[2*k+1]);
+    if (shapes[i].mesh.texcoords.size() > 0) {
+      for (size_t k = 0; k < shapes[i].mesh.indices.size() / 3; k++) {
+        for (int j = 0; j < 3; j++) {
+          int idx = shapes[i].mesh.indices[3*k+j];
+          fprintf(fp, "vt %f %f %f\n",
+            shapes[i].mesh.texcoords[3*idx+0],
+            shapes[i].mesh.texcoords[3*idx+1]);
+        }
+      }
     }
     if (shapes[i].mesh.texcoords.size() > 0) has_vt = true;
 
@@ -103,9 +116,12 @@ bool WriteObj(const std::string& filename, std::vector<tinyobj::shape_t> shapes)
     for (size_t k = 0; k < shapes[i].mesh.indices.size() / 3; k++) {
   
       // Face index is 1-base.
-      int v0 = shapes[i].mesh.indices[3*k+0] + 1 + v_offset;
-      int v1 = shapes[i].mesh.indices[3*k+1] + 1 + v_offset;
-      int v2 = shapes[i].mesh.indices[3*k+2] + 1 + v_offset;
+      //int v0 = shapes[i].mesh.indices[3*k+0] + 1 + v_offset;
+      //int v1 = shapes[i].mesh.indices[3*k+1] + 1 + v_offset;
+      //int v2 = shapes[i].mesh.indices[3*k+2] + 1 + v_offset;
+      int v0 = (3*k + 0) + 1 + v_offset;
+      int v1 = (3*k + 1) + 1 + v_offset;
+      int v2 = (3*k + 2) + 1 + v_offset;
 
       if (has_vn && has_vt) {
         fprintf(fp, "f %d/%d/%d %d/%d/%d %d/%d/%d\n",
@@ -120,9 +136,9 @@ bool WriteObj(const std::string& filename, std::vector<tinyobj::shape_t> shapes)
       
     }
 
-    v_offset  += shapes[i].mesh.positions.size() / 3;
-    vn_offset += shapes[i].mesh.normals.size() / 3;
-    vt_offset += shapes[i].mesh.texcoords.size() / 2;
+    v_offset  += shapes[i].mesh.indices.size();
+    //vn_offset += shapes[i].mesh.normals.size() / 3;
+    //vt_offset += shapes[i].mesh.texcoords.size() / 2;
 
   }