6 ms·

Surprised they didn't use 3D printing.

• replicatorblog 13y ago
  They did! The images featuring the more transparent plastic parts are actually 3-D printed models of the final design.
• sp332 13y ago
  If you already have a form for the shape, casting is faster and easier.
  • Groxx 13y ago
    And way, way cheaper for mass production.
    • sp332 13y ago
      True, but I don't think these are mass-produced (yet). One of the advantages cited was precise calibration of the angles for each user.