Playing with the existing settings of the One Page Nav element has given me inspiration, but a couple of additional settings would make this very usable.
Please add controls for:
Left vs. Right side.
Margin settings – Would like to control distance from edge of screen.
Visibility settings for the different screen sizes.
Manage what page sections are tied to the menu - in this case the 2nd to last menu indicator takes you to the bottom of the page, so the last one is never used and I would remove if I could manage it.