40mm Fan Guards

Mounting holes are for M3 screws; intended to be reamed with a 3 mm drill.

TinkerCAD Links:

[Adafruit Logo](https://tinkercad.com/things/fRcAm619MVT)
[Aperture Science (Portal)](https://tinkercad.com/things/eS3wf93Cd1A)
[Blank](https://tinkercad.com/things/3rOYHNPcTbQ)
[Blank [Cutout]](https://tinkercad.com/things/6rEekO7yWLn)
[Imperial Crest (Star Wars)](https://tinkercad.com/things/aRGwgvnW56t)
[Jolly Wrencher (Hackaday)](https://tinkercad.com/things/ePROojgrPy6)
[LulzBot Octopus](https://tinkercad.com/things/aDsR3sNkmZP)
[Octoprint [Ridiculous]](https://tinkercad.com/things/czJIXrSx4aW)
[OSHW Logo](https://tinkercad.com/things/jRHwEBxM344)
[Raspberry Pi](https://tinkercad.com/things/lcvld1Nte0x)
[Raspberry Pi [Debossed Leaves]](https://tinkercad.com/things/9lRi1RbdHSa)
[Spacer](https://tinkercad.com/things/fbH7Fd2TaJm)

Credit and thanks to:

- [Tad Dunten](http://www.thingiverse.com/tadrow/) for the [Tinkercad Raspberry Pi Logo](ht