See this forum post for details
https://www.theminiforum.co.uk/forums/topic/362175-badge-drillingpositioning-templates/
Beware that …v7.stl is merely my best guess. It is NOT based on measurements from an original vehicle. Beware, too, that pin positions (and therefore hole positions) might be changed without notice on different production runs of the badges themselves.
The author marked this model as their own original creation.