blender files have 2 mesh: robot model and armature this model made in blender 3.1.2 files named roboty and the page must have:
fbx
stl
obj
mtl
files.
models arms and legs have ık but ı can't say it for head and body.
model have 19.384 vertices, 18.966 face, 38.048 edges and 76.344 triangels.
material is made for eevee and the color palet from 90's anime type.
Don't forget your feedbacks, if you see any mistakes!