Webcam holder for Ultimaker

This can be used to clip a webcam directly to the printer. It's designed for a Microsoft LifeCam Studio but should fit also other webcams like Logitech C270.

Thanks to aubenc for the great libraries (see derived from section).

Source repository is on [github.com](https://github.com/t-paul/things/tree/master/things/webcam-holder "Link to source repository") with viewer at [fabfabbers.com](http://www.fabfabbers.com/models/id/25/webcam-holder-by-t-paul "Repository visualization").