The academic name is Dorcus rectus and it is commonly called as tiny stag beetle.
It's is one of the stag beetles seen most usually in Japan. I easily found it in my childhood and I might have been rather disappointed. Thus, I'm not sure who wants this model.
DorcusRectus01Rev4SLA.stl
It was revised for SLA 3D printer on Nov. 4th, 2019.