I tried helping you in a pm or two after my first post, but it seems you are looking for an exact replica of another's design and want done for free all the way through. You mentioned you wanted to see ideas, and I think I linked you to my designs that I have done so far, but like i mentioned before, i cannot put something together specific for you until a design is purchased because if you do not like it, which seems to be the trend for you on the thread thus far, i would have some lost time to make up for.
But, i do hope that if you are not willing to purchase a design done properly, that someone on here, along with the others that have given you their time thus far, will be able to come up with something usable for you.
I believe that is why not many are replying to the thread, because each design has been shot down so far, and even my services and no reply back to my pm shows that you are wanting something very specific but do not want to pay for the services that may be needed for you to get something worth using.
That is my thoughts right now with what has been discussed so far.
You have been looking for a specific design idea, and some have helped you very much, but you're still not satisfied, so you obviously are passionate about this being done a certain way, especially when you questioned cubic volume requirements already.
Most of the greater knowledge on the forum is in the form of vendor-ship and business purposes, so if you want to continue your search with us still, the offer still stands with my services and hopefully others will see the thread and chime in as well. Good luck man!