Process Overview

Step 1
  • On Wax Base (blue), mill pockets and fill with Solder Mask (orange).
  • Wait for Solder Mask to cure.
  • Step 2
  • Plane off Solder Mask
  • Mill channels (white) and pocket for Pin Joint
  • Step 3
  • Embed SMA Wires (red) with Crimp Anchors (brown) and Pin Joint (yellow)


  • Step 4
  • Embed Crimp anchors with Solder Mask (orange).
  • Fill channels with Wax (blue)
  • Fill Pin Joint pocket with Wax (blue)
  • Step 5
  • Pour Wax (blue), wait for it to harden
  • Mill out pockets for top-part of links
  • Fill with Solder Mask (orange) and wait for it to cure


  • Step 6
  • Plane off Solder Mask
  • Pour Wax (blue), wait for it to harden
  • Plane off wax and add channels for pouring urethane


  • Step 7 (not shown)
  • Wash away Solder Mask
  • Pour in Polyurethane
  • Melt away Wax