Fig. 2.

Workflow to create an anatomically inspired cast and a vascularized finger design. (a) Finger is isolated from the hand model using a rectangular box. (b) Cavity created inside of the box to be used for casting. (c) Vasculature is traced out. (d) Vasculature is embedded into finger design. (e) Finalized fingertip design to be 3D printed and interfaced with pulse oximetry clip-on sensor. (f) Illustration of an arterial system of a finger [42] (reprinted with permission from Elsevier, license number: 5656080231752)