Webcam Mount for Printrbot Simple Metal Heated Bed

This is a very simple mount which can be used to attach a webcam to the right front corner of a Printrbot Simple Metal with a heated bed.

[Watch a demo video](https://youtu.be/M39yzbpSv_U)

The Logitech C535 is highly recommended:

- It's compatible with Octoprint/Octopi running on a Raspberry Pi 2 B+.
- It can focus on objects as close a 7cm. (Cheaper models tend to be very blurry at anything less than 40cm.)
- It has built-in rotation and angle adjustments.

To test and adjust the