Fused Deposition Modeling (FDM) is a layered prototyping method that extrudes a melted thread of plastic through a thin nozzle and fused together layer by layer to form a 3D model. This process can sometimes be more economical than SLA or SLS.

How Does This Process Build the Parts?
  • A computer model is designed
  • Then the design information gets copied to the machine
  • A Thermoplastic material in the form of a filament feeds into temperature-controlled extrusion heads. (1 & 5)
  • The filament is then heated to a semi-liquid state. (4)
  • The head extrudes and deposits the material in thin layers (~0.127mm) onto a foam or acrylic sheet base. (3)
  • The material then solidifies and laminates itself to the preceding layer in ~0.01s. (6)
  • The second nozzle squeezes out similar material for support structure if it is needed. (2)
How FDM Works
Advantages of this process are:
  • High Strength
  • Cost effective
  • Waterproof
  • ABS material
  • Multiple material colors
  • ABS Plastic
  • ABS
  • ABSi
  • Polycarbonate
  • Polycarbonate ABS blend
  • Polycarbonate ISO
  • Polyphenylsulfone