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Rapid Prototyping


Stereolithography is an additive manufacturing process which utilizes a vat of liquid resin and a laser to build parts a layer at a time to create a 3D part. The laser traces each part on the surface of the resin to solidify it. That piece then drops down into the resin to create another layer (.002" to .006"). A blade then sweeps across the part to insure even distribution of the resin. Again the laser traces the part to solidify the resin and adhere it to the previous layer. The process is repeated until the build is complete; the parts are then cleaned and cured in a uv-oven (PCA). SLA parts are very accurate and have the best surface finish of the common prototyping technologies.


Full scale prototypes of new designs to verify fit and function

  • SLA
  • SLS
  • DMLS
  • FDM
  • Polyjet
  • Z Corp
  • Urethane Casting
  • CNC Machining
  • Finishing & Post Processing
Rapid Prototyping Cast Part
Midwest Prototype logo
Midwest Prototyping LLC (MWP) focus is on prototype and short-run projects. Located near Madison, Wisconsin, the company offers single parts or full assemblies, with a team of highly trained professionals striving to provide customers with the highest quality parts and a fast turnaround.  Ask us about: Stereolithography (SLA) Selective Laser Sintering (SLS) Cast Urethane CNC Machining Fabricating Finishing Assembly   Key markets and recognizable Customers: 1. Consumer Products 2.  Medical Devices          3. Laboratory Equipment 4. Point of Sale Models