in my mind there are only 2 printer options .... the cheap and more set-up intensive ENDOR Creator 3 ... the more spendy, just works every time PRUSA
CAD systems are a learning curve, but you used em before and a quick google will get you YouTube how-to's for anything you wanna manipulate. CREO student is free to anyone if you just tell em you are learning and promise not to sell stuff you design with it. it's easily the most powerfull 3D system, but can be one of the more cumbersome to use. more power, more mouse clicks kinda thing.
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