A compressor <a href="https://en.wikipedia.org/wiki/Blisk" class="extiw" title="en:Blisk">blisk</a> on display at the Paris Air Show 2013. This is a single-piece item, generated with 3D CNC milling.
<a href="//commons.wikimedia.org/wiki/User:Ariadacapo" title="User:Ariadacapo">Olivier Cleynen</a>
<span class="int-own-work" lang="en">Own work</span>