Silicone Bladder Mold mkII

A 4-piece combination mold for creating a silicone bladder. BladderMold_Internal makes up the negative volume of the bladder while BladderMoldExternal makes up the positive volume of the bladder. BladderMold_BottomInsert is used as a cap for the open bottom end of the bladder. Recommend assembly using silicone glue, and printing the external portions with the negative space facing up.