It's a bat-shaped punching Knuckles .It's already been 3D printed and prints without any problems.

The Blender, .obj, and .stl files are included, as well as a file prepared in Anycubic Photon Workshop with supports for printing on an Anycubic printer if you have that type of printer.

3D Printing ParametersI printed it as follows:Anycubic Photon Mono 4 10k 3D printerwith Anycubic ABS-like Pro2 filament128mm wide