art, this is where you should be taking advantage of the computer age
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i build plenty of things that are beyond my ability to visualize in my mind, without 1000 and 1 errors. but the computer doesn't lie, nor does it forget.
if you draw out something in sketchup and have machines capable of the accuracy needed from the drawing, the rest becomes very manageable.
btw, if you could save wood by not using jointers and planers, people wouldn't buy them. you can't. i don't buy surfaced lumber but even if i did i'd expect to have to square them myself.