I noticed one of the objects under basic shapes is called "Tyflow", I figured that it must be a placeholder until you can add something. What if you created a new and under basic shapes an object called a 'Boxtube' which is just like the regular tube but square(4 corners) instead which turns out to be a 4 corner boxtube.
Looks like this:
Feedback please thanks!
Looks like this:
Feedback please thanks!