Attach your STL file, and we’ll add your request to our 3D print queue! Our Technology Specialists will email you when it’s ready to be picked up. Don't worry about the cost: it's free.


  1. One request at a time per person.
  2. The item must print in under five hours.
  3. The item must fit within a 210 x 210 x 250 millimeter area (8.3 x 8.3 x 9.84 inches).
  4. Once you have been contacted, please pick up your item within two weeks from a staff member.
  5. Please pick up your completed 3D print before submitting another request.
  6. All files will be printed as submitted, so please submit a finalized design.
  7. We are unable to accommodate color requests.
  8. If you are planning a group project, please contact us so we can coordinate with you.
  9. Arapahoe Libraries cannot print any items protected by copyright. For more information, please read our Acceptable Use of Technology Policy.
  10. We do not monitor the age of people submitting requests. It is the responsibility of parents/guardians to guide their children in utilizing this service.
  11. Arapahoe Libraries reserves the right to refuse any 3D print request. 3D print requests must adhere to the Patron Code of Conduct. Any individual using the library’s 3D print service agrees to assume all responsibility for, and shall hold the library harmless in, all matters related to the use of the 3D printed item, including but not limited to violations of patent, trademark and/or copyright law.
  12. Arapahoe Libraries cannot print any gun frames or gun parts, as such conduct is a violation of Colorado law.


Design your own 3D prints using these recommended websites.

CookieCAD, opens a new window is a site where you can easily upload a black and white image to turn into a cookie cutter! You can download the STL file for free (after a sign-in process) and submit it via the form on this page for free printing.

Tinkercad, opens a new window is a great tool for beginners and experts alike. Create a free account to build a 3D design in this browser-based 3D solid modeling tool. Chrome and Firefox browsers work best.

Blender, opens a new window is a free open-source program that you can download for modeling, animating and editing anything in 3D.


Coming Soon Fiction

3D Printing FAQs

  • A 3D printer is a machine that creates a physical object based on digital renderings by "printing" layers upon layers with filament. Every Arapahoe Libraries location has a 3D printer, opens a new window, so come discover this fascinating technology! 

  • We invest in emerging technologies to give you the chance to interact and learn about them in an environment that is objective and free of a sales pitch. Read our Technology Mission Statement, opens a new window for the whole story.

  • Yes! Visit the 3D Printing page, opens a new window for more information on how to design your own 3D print. Fill out the form on this page to request a print.

    You can contact a technology specialist if you'd like help getting started. 

  • Every Arapahoe Library has a Prusa i3 MK3S+ and offers 3D printing services. Check out our 3D Printing Services, opens a new window for more information on how to get started.

  • It’s all free!

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