Finally got the time (after 3 years) to post the build instructions online for my all in one manpack with self contained storage for backpack/SOTA/Portable HF
Lightweight, yet protects the Rig
Of use to SOTA, It’s a very simple build, lightweight, compact 18"H x 12"W x 6"D yet holds everything from Rig, tuner, battery and bins for storage - also has three antenna ports. From these dimensions, you can easily fit it in your favorite backpack…
Hope it helps someone 
please let me know if you use the double bin idea (it’s my unique twist to all designs online).