Logitech C500 Webcam Mount

When I designed the [Robo 3D R1+ Bump Guard](https://www.thingiverse.com/thing:6852544) I included a provision to be able to mount other things to it, chief among the possibilities being a webcam for use with [OctoPrint](http://octoprint.org/). I have used a Logitech C500 for this purpose for some time, in conjunction with my [Logitech C500 Tripod Adapter](https://www.youmagine.com/designs/logitech-c500-tripod-adapter).

This mount is specifically designed to allow the Logitech C500 to rotate about its central axis through a little more than about 50 degrees. However, the mount should accomodate any webcam that can be mounted using a standard 1/4-20 threaded boss. In addition to the bump guard this mount should also work with any tripod or camera mount providing a 1/4-20 threaded stud. This design also includes a 1" spacer, which can be stacked to raise the camera to the desired height (in 1" increments).

My existing C500 tripod adapter design will work with this mount, but this desig