can't seem to make surface

[curious aardvark]

it's a tube ?

And have you looked at openscad - that kind of thing takes minutes.

[Intruder]

I did all this in rhino 6. Had some help I just need to rotate battery relief. I need to print. I can save in different formats what would be best for openscad. I and export in several. In 3 days my evaluation ends