https://youtu.be/RgJzu0LxOYU https://youtu.be/o82bRl3lZ8U A blend model showing different types pf piles as per their anatomical location. All the material are image textures based on non-overlapping UVs. The formats 3mf, ply, obj, fbx with applied uv mapped textures have also been included in the downloads along with stl.
https://www.fab.com/listings/08bff9f8-c605-45f5-94ab-a3c3543ed841