Printable Stretchy Bracelet

A configurable stretchy bracelet ideal for printing in NinjaFlex, any text + art can be debossed into it.
You will need openscad with the experimental text module enabled via the preferences menu, currently only available if you compile openscad from source using the text-module branch.
Best sliced with Cura, I tried Slic3r but crossing perimiters at all makes the inside of the band like sandpaper.