[Abishek_Muthian]

Have you checked out Ian Davis? He has been building[1] mechanical prosthetic hand-fingers(4) for a while now, He's currently in the process of upgrading his old design.

He's a gentleman and I think he's responsive to communication regarding replicating his designs.

[1]https://www.youtube.com/channel/UCv1xxFkEiAdCVy6foEEUIvw

[bussierem]

Fantastic, thanks for the link! I will take a look into him as well.