Creality Ender 3 Inspection Tool Holder

This tool holder allows the user to inspect the printer nozzle and feed tube for signs of any blockages. The printers 'hotend' is fully illuminated by the white LED's making any checks necessary easy. Once the printer nozzle is removed, you can see into the feed tube to check if all is clear.
The battery case is based upon a design by dikodahan. He uses 14mm sq. clips available from various stores (Amazon & eBay) to complete the battery circuit (spring and plate contacts).
The switch cut-out i