Open badges to acknowledge open science, now uploaded to OSF: https://osf.io/sxb4t/
The badges were inspired by:
and drawn in LibreOffice: source file on OSF
Take your pick for the licence: (1) Creative Commons CC BY 4.0, (2) To the extent possible under law, I have waived all copyright and related or neighboring rights to these images. CC-0
Didier Ruedin 