diff --git a/drake/examples/contact_model/BUILD b/drake/examples/contact_model/BUILD
index bbcd4849fd15..be61ae908427 100644
--- a/drake/examples/contact_model/BUILD
+++ b/drake/examples/contact_model/BUILD
@@ -85,6 +85,7 @@ filegroup(
     srcs = [
         "bowling_ball.urdf",
         "pin.obj",
+        "pin.mtl",
         "pin.urdf",
     ],
 )
diff --git a/drake/examples/contact_model/pin.mtl b/drake/examples/contact_model/pin.mtl
new file mode 100644
index 000000000000..288c2c1c37ca
--- /dev/null
+++ b/drake/examples/contact_model/pin.mtl
@@ -0,0 +1,6 @@
+newmtl pin
+Ka 0.9000 0.9000 0.9000
+Kd 0.9000 0.9000 0.9000
+Ks 0.5000 0.5000 0.5000
+Ns 200.0000
+illum 2
diff --git a/drake/examples/contact_model/pin.obj b/drake/examples/contact_model/pin.obj
index a4d369b05099..8841ab658cce 100644
--- a/drake/examples/contact_model/pin.obj
+++ b/drake/examples/contact_model/pin.obj
@@ -1,5 +1,6 @@
 # This file uses centimeters as units for non-parametric coordinates.
 
+mtllib pin.mtl
 v 0.058014 0.018850 0.016429
 v 0.049350 0.035855 0.016429
 v 0.035855 0.049350 0.016429