Prototyping geometry and dimensions with a paper strip.
Milling machinable wax on the ShopBot.
Making a jig for casting the molds.
Proof that food-safe silicone (platinum-based) doesn't like OOMOO polymers (tin-based).
A cured mold out of PMC 121/30.
Form 1+ clear resin.
Form 1+ clear, flexible resin. So nice to the touch!