Just remix of https://www.thingiverse.com/thing:3721941
Print it rear side down. There is a plug on the top to easy bridge printing without supports.
More info here: https://www.3dpedie.cz/en/inspirations/octoender_by_kiron/
Printer Brand:
Creality
Printer:
Ender 3 Pro
Supports:
No
Infill:
30%