Nozzle Cam

This is a very simple way to put a raspberry-pi cam on the side, rather than flat. You can then hook it anywhere with a screw. Ideally you should change the [pi-cam focus](https://www.adafruit.com/product/3518) to be sharp on your nozzle.

Edited 2022 - I since move to [this Head](https://www.thingiverse.com/thing:5181690) but this work as well (using one of the fan screw).

Tired of not being able to see first print layer, I changed my ender 3 head to a thin blokhead version. But it was not easy enough. So inspired by [this design](https://www.thingiverse.com/thing:4859502) and the way it use the pi-cam, I made an small arm that can be attached to [this blokhead version](https://www.thingiverse.com/thing:4777217). So It's easier to see the first layer.

It needs:
- 2 M1.7x8mm screws for attaching pi camera.
- and 2 M3x5 for the articulation
- and finally one M3x30 for attaching to the blokhead (It reuse the one holding the blower).

I used a rubber band to clip the camera c