Here's the OBJ of the controller I used. It was scaled and positioned for a character of mine, so you may need to repostion//scale it to suit your needs.

 

edit:hhhhmmmmmm....can't attach a zip. weird.

 

edit again:  hhhhhmmmmm....can't attach an obj. ok.

 

edit...finally!  Ok, you'll need to remove the .txt from the name.