I'm pretty happy with the results. I spent lot of time on the design cause I wanted a RTT Rack that would force me to sacrifice my rollup cover, bed divider and extender.
The rack sits on the sides of the bed, goes behind my Access cover rail which is behind the Tacoma rail.
The two extra poles (blueish on the drawing) are telescopic poles to hold my awning which I don't want to have higher than the cab top when driving.
The base angles are 3/16" thick aluminimum, the tubing making the rack is 1-1/2" aluminum. I purchased the material for the telescoping tubes from McMaster-carr (http://www.mcmaster.com/#telescoping-tubing/=bu3uro page 1913)
Once I was happy with my drawing I decided to have a little fun.
I'm not a welder and I have no place to do that kind of work so I had to get someone to build it for me, they did a nice job (sorry for the bad pictures, my camera's dead and I used my cell phone).
I'll post more pictures in the coming weeks as I add stuff to it.
Next week-end I plan on putting theaded inserts on the poles on the passenger side, I will use them to add some Quick Fists to hold shovels.
I also have two Bajarack jerry can holder which I will bolt on the bed floor with an ammunition box between them to keep my straps and shackles.
I'd also like to fit extinguishers on the same side as the awning and maybe a net for light stuff under the RTT.