Our team is also going with a H drive this year. We have found that it isn't difficult to put a sideways module on a pair of articulated arms. The plates we're using are cnc'd but you can cut them out of an old AM14U if you need to. They just have to have the Toughbox's hole pattern. Here's a picture:
https://scontent-syd2-1.xx.fbcdn.net...f5&oe=589F53C9
Hope this helps.