Do you have access to a kifaru bag? If so, pull as many measurements off it as you can. Older bags have holes in the flap that goes over too of frame so that load lifters pass through it. Their newer bags just have another set of loops sewn onto that flap. That approach is way eaiser.
No need to make a bag as complicated as i did. That horseshoe zipper was a pita and i dont think i would do it again. All that molle takes time. I finally bought my dream machine, a consew 206rb5, and sewing all that molle on the front panel took me 40 mins.
Buy an edge binder to bind your interior seams. I made this one a roll top and i dig it.
Those stays are actually some composite stays that i made out of maple and fiberglass. I build a few recurve bows so laminating some stays was no big deal. I actually prefer carbon arrow stays but the curved stays add a lot of rigidity to that frame design. It has packed 3 sheep and a mule deer so far. Love it.
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