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An official website of the United States government
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock () or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
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COPD is the #3 killer in the US. There are 3 STL files needed to make this print. The first includes the lung tissue and the surrounding soft tissue.The second includes the ribs. The final STL is a clear block that encases the delicate structures so that there is no need to remove support material.
