Remixed from z0333 https://www.thingiverse.com/thing:2930315 I wanted this with a ring to attach a string and play with my cat… :)
Printed perfectly in one go with a simple brim on my Prusa MK3s with 3DCopper PLActive filament, bed 70°C and Nozzle 200°C.
The author hasn't provided the model origin yet.