Who can point me in the right direction????

I have looked at the commercially available jigs and WOW! they are costly, besides the initial cost I would fear the price to ship over to Africa.

So that brings me to DIY. I am looking for a good solid design or plans to build my own. I see 8020 seems to be the weapon of choice for most DIY jigs. So looking for good design using 8020. I have a machine shop so milling and turning pieces not a problem. Would rather like a good solid design over something that is just bolted together with hardware nuts and bolts.

Any help would be greatly appreciated.