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The only real comment to make is that all that is going to be enormous, as well as very complicated to build and plumb. Tubing always takes up more space than you think it will, and getting the bends right is something of a pain in a confined space. When you get your case back, it's probably worth doing a cardboard mock-up of the internal parts and putting the tubing in to give you an idea for where it will all go - I've got quite a good 3-D mind, and even then can never plumb a case well without trying it out to see how things like bend radii work.