The outer radius is about 2.95 in (75 mm). The average bangle bracelet size is between 2.3-2.5 in. I left room for you to make some minor sizing adjustments.
voronoi_bracelet_2_high_quality.STL | 18.6MB | |
voronoi_bracelet_2_lower_quality.STL | 4.6MB | |
voronoi_bracelet_2_very_high_quality.STL | 74.3MB |