Build Video:
Check out my full build video on YouTube (link)
3D Models:
Here are STEP files if you want to print your own. For a 50mm fan scale the print up to 125% (link)
Build Sheet:
This is the 50mm USB fan I used (I don't recommend this one, it isn't strong enough at roughly 3 CFM (Amazon affiliate link)
I ordered this replacement fan but haven't installed and tested it yet - 3x more powerful at 9 CFM (Amazon affiliate link)
I bought a simple toggle switch like this one (Amazon affiliate link)
Credit:
The original Shure microphone model is by Philip Arcelo from GrabCAD (link)
This build was inspired by a YouTube video from Chris Borge (link)