diff --git a/obj2d.rb b/obj2d.rb
index 7b85f0b..f94b8a9 100644
--- a/obj2d.rb
+++ b/obj2d.rb
@@ -3,10 +3,15 @@
 require "erb"
 
 TEMPLATE = <<EOF
-int foo()
-{
-    return 42;
-}
+float[2][] vertices = [
+    <%= vertices.map {|v| v[0, 2].inspect}.join(",\n    ") %>
+];
+<% objects.each_pair do |obj_name, obj_array| %>
+
+int[][][] <%= obj_name %> = [
+    <%= obj_array.map {|oa| "[" + oa.map {|o| o.inspect}.join(",\n     ") + "]"}.join(",\n    ") %>
+];
+<% end %>
 EOF
 
 def main(obj_fname, d_fname)
@@ -30,7 +35,7 @@ def main(obj_fname, d_fname)
     end
   end
   File.open(d_fname, "w") do |fh|
-    fh.puts ERB.new(TEMPLATE, nil, "<>").result
+    fh.puts ERB.new(TEMPLATE, nil, "<>").result(binding)
   end
 end