A Perspective Ruler tool would be so helpful in Storyboard Pro. I understand that I can import bitmap perspective grids (that I created in Photoshop or Illustrator), as outlined in this Toon Boom Tutorial (https://www.toonboom.com/resources/tips-and-tricks/creating-perspective-grids-your-projects), but a Perspective Ruler similar to Manga Studio, would be an ideal solution for creating accurate perspective in Storyboard Pro.
BTW- I’m not trying to promote Manga Studio. I’m just trying to point out that Storyboard Pro would benefit greatly from such a tool.
Here is an example of what I am talking about: