Mold-Making, Casting, and Forming

injection molding
   sprue
   runner
   gate

blow molding

vacuum forming

casting
   mixing
   deairing
   curing
   demolding

milling
   flutes
   plunge, center-cutting mills
   ball, flat end mills
   climb, conventional machining
   rough, finish cuts
   runout

mold-making materials
   alginate
   flexible wax
   machineable wax (9389K61)

flexible mold materials
   urethane
   PDMS

calcium sulfate, gypsum, plaster
   DryStone
   HydroStone

additives

mold.cad

assignment: design a 3D part, produce a mold to make it, and cast the part