M101A2 Rack ideas for RTT?

[Need For Speed]

I need a rack for a M101a2 to mount my RTT?
Needs to be 70" off the ground for the Annex.

anybody have a idears/solution?

 

[Need For Speed]

This is the only thing I have found that is relatively close...

 

[Mark Harley]

Here is some eye candy for you.
I am building a rack for my M101A2 same design as the one above.