How to print a Ball Race

ball race printer

ball race

  • Computer-aided design software determines shape of 3D model using cross-sections
  • Laser etches the shape of cross-section into metal powder and heats it so it solidifies and creates a solid layer
  • More powder is spread to create the next layer and so on until the 3D object is created
  • By leaving one non-solid layer in between, interlocking structures can be created
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