diff --git a/models/staircase.mtl b/models/staircase.mtl
new file mode 100644
index 0000000..ae3d397
--- /dev/null
+++ b/models/staircase.mtl
@@ -0,0 +1,11 @@
+# Exported from Wings 3D 2.2.6.1
+newmtl Cube1_auv
+Ns 19.999999999999996
+d 1.0
+illum 2
+Kd 1.0 1.0 1.0
+Ka 0.0 0.0 0.0
+Ks 0.19 0.19 0.19
+Ke 0.0 0.0 0.0
+map_Kd Cube1_auv.png
+
diff --git a/models/staircase.obj b/models/staircase.obj
new file mode 100644
index 0000000..7463841
--- /dev/null
+++ b/models/staircase.obj
@@ -0,0 +1,85 @@
+# Exported from Wings 3D 2.2.6.1
+mtllib staircase.mtl
+o Cube1
+#14 vertices, 24 faces
+v -1.00000000 0.0000000e+0 -1.00000000
+v -1.00000000 0.0000000e+0 1.00000000
+v -1.00000000 1.00000000 -1.00000000
+v -1.00000000 1.00000000 1.00000000
+v 1.00000000 0.0000000e+0 -1.00000000
+v 1.00000000 0.0000000e+0 1.00000000
+v 1.00000000 1.00000000 -1.00000000
+v 1.00000000 1.00000000 1.00000000
+v -1.00000000 1.00000000 0.0000000e+0
+v 1.00000000 1.00000000 0.0000000e+0
+v -1.00000000 2.00000000 -1.00000000
+v -1.00000000 2.00000000 0.0000000e+0
+v 1.00000000 2.00000000 0.0000000e+0
+v 1.00000000 2.00000000 -1.00000000
+vt -3.3222222e-3 -3.8777778e-3
+vt -3.3222222e-3 0.49612222
+vt -2.1666667e-3 3.5555556e-3
+vt -2.1666667e-3 0.50355556
+vt -1.5888889e-3 6.4011111e-2
+vt -1.5888889e-3 0.56401111
+vt -1.5888889e-3 1.06401111
+vt 1.3530843e-16 3.2959746e-17
+vt 1.3530843e-16 0.50000000
+vt 5.7777778e-4 3.3888889e-3
+vt 5.7777778e-4 0.50338889
+vt 2.0539683e-3 -2.5777778e-3
+vt 2.0539683e-3 0.49665556
+vt 2.0539683e-3 0.99588889
+vt 2.2111111e-3 0.49387778
+vt 2.2111111e-3 0.99387778
+vt 5.5222222e-3 5.0888889e-3
+vt 5.5222222e-3 0.99548889
+vt 0.50000000 0.50000000
+vt 0.50000000 1.00000000
+vt 0.50128730 0.49665556
+vt 0.50128730 0.99588889
+vt 0.99592222 5.0888889e-3
+vt 0.99592222 0.99548889
+vt 0.99667778 -3.8777778e-3
+vt 0.99667778 0.49612222
+vt 0.99783333 3.5555556e-3
+vt 0.99783333 0.50355556
+vt 0.99841111 6.4011111e-2
+vt 0.99841111 0.56401111
+vt 0.99841111 1.06401111
+vt 1.00000000 3.2959746e-17
+vt 1.00000000 0.50000000
+vt 1.00000000 1.00000000
+vt 1.00052063 -2.5777778e-3
+vt 1.00052063 0.49665556
+vt 1.00057778 3.3888889e-3
+vt 1.00057778 0.50338889
+vt 1.00221111 0.49387778
+vt 1.00221111 0.99387778
+g Cube1_Cube1_auv
+usemtl Cube1_auv
+s 1
+f 1/17/ 5/23/ 2/18/
+f 1/12/ 9/21/ 3/13/
+f 2/18/ 5/23/ 6/24/
+f 2/15/ 6/39/ 4/16/
+f 2/35/ 9/21/ 1/12/
+f 3/6/ 5/31/ 1/7/
+f 3/6/ 14/29/ 7/30/
+f 4/16/ 6/39/ 8/40/
+f 4/36/ 9/21/ 2/35/
+f 4/10/ 10/38/ 9/11/
+f 5/32/ 10/19/ 6/8/
+f 6/8/ 10/19/ 8/9/
+f 7/30/ 5/31/ 3/6/
+f 7/33/ 10/19/ 5/32/
+f 7/33/ 14/34/ 10/19/
+f 8/37/ 10/38/ 4/10/
+f 9/21/ 12/22/ 3/13/
+f 10/25/ 12/2/ 9/1/
+f 11/14/ 3/13/ 12/22/
+f 11/5/ 14/29/ 3/6/
+f 12/2/ 10/25/ 13/26/
+f 12/3/ 14/28/ 11/4/
+f 13/20/ 10/19/ 14/34/
+f 13/27/ 14/28/ 12/3/
diff --git a/models/staircase.wings b/models/staircase.wings
new file mode 100644
index 0000000..ae4ed70
Binary files /dev/null and b/models/staircase.wings differ
diff --git a/src/sig/utils/OBJReader.java b/src/sig/utils/OBJReader.java
index 7c51e29..046b19b 100644
--- a/src/sig/utils/OBJReader.java
+++ b/src/sig/utils/OBJReader.java
@@ -1,6 +1,5 @@
 package sig.utils;
 
-import java.io.File;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.regex.Pattern;
@@ -21,7 +20,9 @@ public class OBJReader {
                 vertices.add(new float[]{Float.parseFloat(split[1]),Float.parseFloat(split[2]),Float.parseFloat(split[3])});
             } else
             if (split[0].equalsIgnoreCase("vt")) {
-                texs.add(new float[]{Float.parseFloat(split[1]),Float.parseFloat(split[2])});
+                float u=Math.min(1,Math.max(0,Float.parseFloat(split[1])));
+                float v=Math.min(1,Math.max(0,Float.parseFloat(split[2])));
+                texs.add(new float[]{u,v});
             } else
             if (split[0].equalsIgnoreCase("f")) {
                 if (textured) {