I made this topper for my Son's first birthday, we did Octopus theme so... Resize to fit your needs. I printed it at about 3.3mm thick and it's pretty solid.
Printer:
Tronxy XY-3
Rafts:
Doesn't Matter
Supports:
No
Resolution:
0.16
Infill:
70+
Filament: Inland PETG Purple