The model was done in zbursh and consists of multiple sub-tools. The model was optimized with Decimation Master in ZBrush forploy count. It is a triangular solid height model with no subdivision levels. No UVs, no Tex, just Polypaint for rendering. See screenshot for details.

Export to STL and OBJ 3D printing formats. There is also my printing project file in 3mf format, with an output size of 67.8*98.7*99mm. The trial printing using FDM method was successful, please see the screenshot for details.

You can get more information from the preview pic.If any question please write to me.