You’re already paying for shipping - just upfront and once a year. My reasoning when I quit was that I could likely add things to get to the free shipping or just pay for shipping a few times and still save money.

Smart TVs are only smart when they are connected to the internet.

Destiny?

So it will ultimately come down to what file format you need for the 3D printer and if Blender can support that. Otherwise, you may need to generate your geometry using a CAD program.

Regardless, you will need to generate the solid model of your cylinder. In this case you’d extrude your cylinder surface to create a volume body and not a sheet or surface.