In Mainsail, one or more webcam stream can be added so that you can keep an eye on your printer.
These streams can be displayed in various places:
In case of more than one webcam is configured on a printer, all cameras are displayed in an overview. However, it is also possible to switch to a single camera, using the drop-down menu in the panel header.
To find out how to set up the webcams and what the requirements are, please refer to the webcam settings page: