Well last thread was 2010, most of the links and software are gone. I want to grab Jack Norris's book. But I can't say as I even have cheques anymore. Guess I'll have to fork out for a USD money order that costs more than his book to get it. Any current good software options? I'd love something that can export a shape for CNC cutting not just a few profiles? The hub/flywheel is going to get cut in the next couple weeks for the vanguard. Thinking working from baseline through the build step by step with testing makes the most sense. And provides data useful to others. Laminating up a few dozen blades and letting the cnc run makes more sense than 500$+ea when you're guestimating needs anyway.