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1. Export the .stl file in your 3D modeling software of choice.
2. Run your model through the naked edges test in Rhino and make sure there are no naked edges:  Select your entire model and then go to the Analyze menu on the toolbar, then click on EdgeTools, Show Edges. Select "Naked Edges" and confirm that nothing gets highlighted. If there are highlighted lines please fix these before coming to the desk. 
3. Create a free account at shapeways.com and click the "Upload" button to test your .stl file. If the model gets a green check mark for "White Strong & Flexible Plastic",  When you see an image of your model appear in the window at the top of the Shapeways page, that does not necessarily mean your file has passed all quality checks. It may take a few minutes for those checks to complete! The photo below shows an example of a file that has passed all quality checks on Shapeways. **Also check that there are no other warnings (Mesh, Bounding Box, Wall Thickness, Loose Shells, etc...), an example of a failed test is also shown below. 
    
4. Bring your prepared file on a thumb drive to the Service Desk to be tested, approved and priced. From here we will do our own Shapeways test and Rhino naked edges test. There will be a charge of $5 to perform these tests. If your model passes both tests we will apply the $5 towards your print. If your model fails either one of these tests or has any warnings, the charge will apply to What I Owe and we will not print your 3D print. You will have to go back and re-adjust your .stl file and we will run the tests again before printing with the same charges. 
   1. Please note that our software only allows us to confirm that your model is a closed polygon, meaning we can only see the outside faces of the object. If there is an issue with the internal structure, we may not be able to notify you at the time of submission. Please review the model submission guidelines for more information.
5. If there is a queue and you have to readjust your file or would like to print a different file instead of the one you submitted that is in the queue, you will go to the bottom of the list and lose your current spot.
6. When your file is submitted for printing by the desk staff, you will receive an email about its completion.
7. You will pay for your model via What I Owe.
   1. If you do not pick up your print, you will still be charged the full amount to your What I Owe.