

TBF if you want, you can have a bastion server which is solely whitelisted by IP to stream your content from your local server. It’s obviously a pivot point for hackers, but it’s the level of effort that 99% of hackers would ignore unless they really wanted to target you. And if you’re that high value of a target, you probably shouldn’t be opening any ports on your network, which brings us back to your original solution.
I, too, don’t expose things to the public because I cannot afford the more safe/obfuscated solutions. But I do think there are reasonable measures that can be taken to expose your content to a wider audience if you wanted.
Print what? I skimmed the article and I’m confused. Can you print an 3D Eiffel tower on a piece of paper? Or is it more like you’re printing things with a small emboss/raised edge? I didn’t even realize that was something people wanted to do. Maybe for custom tiling?