Aha... cool! Didn't know about the new game. Looks based off the comic! (The Knightmodels game had minis based off the movies. Well, except for Drax's tattoos, but those can be painted on! Groot was sold separately.)
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The Heroclix figures are, sadly, atrociously soft on detail. Everything has to be "painted on".
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That Mialno model might be worth looking into- at least if the details are right. Normally, I pride myself on modeling everything myself but the Milano is a freakin' beast of a model because it has so many curved surfaces with panel lines.
But that model is a "personal use" file only. So, I couldn't do a "run" using it. If someone wanted me to print it, they would first have to purchase the model so the maker gets their fair share, then ask me to print and I could only charge for material use/machine wear.
And I've just looked through the images of the parts. Hmm... it hasn't really been optimized for printing in a large scale. The main hull sections are "solid". Prepping it to realistically print at a large scale would take a
lot of work. (In the end, it might be easier for me to model from scratch.)
My plan (and I probably mentioned this earlier) was to model it so that the interior frame would be printed in PLA, and the outer details... panels.. greeblies and so on are printed in resin. That way, costs would be kept down.