Divide the part into sections and set the second section to 5 perimeters and 100% infill.

Remaining general settings: 0.2mm layer height; 4 perimeters; 15% infill; brim width 10mm and Brim separation gap 0mm.

Print with tree supports, just remove them and clean the surface above them.

Remove the collar.

Gently take hold of the gear wheel and rotate it.

Afterwards, the easter ratchet should be operational.