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Rapid Prototyping. U of A. How Does is Work?. Rapid Prototyping is a 3D printer. It takes in an input of coordinates and uses automated robotics to scan a UV laser into a liquid resin chamber. The UV light activates the liquid causing it to become a solid.

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How does is work
How Does is Work?

  • Rapid Prototyping is a 3D printer.

  • It takes in an input of coordinates and uses automated robotics to scan a UV laser into a liquid resin chamber.

  • The UV light activates the liquid causing it to become a solid.

  • Over successive scans the input model is created


Limitation of rapid prototyping
Limitation of Rapid Prototyping

  • Needs an input file in .stl format

  • The input files can not be larger than 25 Megs. Meaning if you can’t send it by email, you can’t build it.

  • This particular Rapid Prototype machine can only create parts made of certain types of acrylic based photopolymers.

  • The tolerance of the parts made is 10 micron and a 5 degree offset in angle. Think about this when submitting your files.


Material property of photopolymers
Material Property of Photopolymers

  • Most common used material is Ver0Gray.

  • Other choices of materials are posted on the website. It is possible to use multiply materials but will result in longer time to create part


Save file to stl format
Save file to .stl format

  • Once you have created your solid model click save as.

  • Select .stl format and save.


What we need you to specify
What we Need you to specify

  • Exact file name of part i.e. (flexure.stl)

  • Quantity

  • Material

  • What finish (Matte or Glossy)

  • Any Special Instruction you would like to specify for the part


Steps to get a job printed
Steps to get a job printed

  • Create model

  • Save as .stl format

  • Send your file to the Optomech ([email protected]) email

  • Subject Line: Rapid Prototype Request

  • Have your parts and specifications listed either in the email or an attachment.

  • If you are having multiple parts made make a specification list for each part. For parts with more than one material specify this in writing with instructions and drawings to explain.

  • We’ll take care of every thing from there.


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