Modeled this by remixing the linked models.
Test print was done using Stronghero3D Black/Purple PLA on a Monoprice Selct Mini V1.
Important Cura 5.8.0 profile settings:
Layer height = 0.18mm; Initial layer height = 0.2mm; Line width = 0.44mm
Wall thickness = 1.32mm; Used 3 walls with optimized printing order enabled
Top/Bottom thickness = 0.92mm; Used 3 tops and 3 bottoms
Infill = 25% gyroid
Adaptive Layers was enabled
The author remixed this model.
Cut the coin off the hairstick, and widened the remainder, a tad.
Made the butterfly symetrical, then filled in the jumpring hole.
Merged the resultant models together into this model.