I love this model, however it didn't fit my toilet rolls with 37mm inner diameter so I added a version where the cylinders have been replaced.
The new cylinders are backward compatible with the parts from the original model.
The original parts are also included to simplify the printout and make sure the model works even if the original is reworked.
History:
22-Mar-2025 - Increased eyeball / pupil tolerances for a better fit.
The author remixed this model.
The head and tail cylinders have been replaced with 37mm cylinders to fit toilet rolls from Serla.
Eyeball/Pupil tolerance increased for better fit.