Simple lighting for Anycubic Kobra printer. You just have to press it on the hotend cover.  Material PETG, layer 0.2, nozzle 0.4. You will need LM2596 DC-DC converter, 60*8 mm COB LED, 10*15 mini switch, wire.

DC-DC converter:

https://www.aliexpress.com/item/1005004904872120.html?spm=a2g0o.productlist.main.1.2dad5581fhgkT6&algo_pvid=0464f695-ac88-4f0c-81cb-5e38392f8edf&algo_exp_id=0464f695-ac88-4f0c-81cb-5e38392f8edf-0&pdp_npi=4%40dis%21HUF%211511.91%21370.49%21%21%214.04%210.99%21%402103890117281092775852589eb37e%2112000030968453858%21sea%21HU%210%21ABX&curPageLogUid=esN8f7hu3cAP&utparam-url=scene%3Asearch%7Cquery_from%3A

COB LED:

https://www.aliexpress.com/item/32910848200.html?spm=a2g0o.productlist.main.33.2e2976359TVJjV&algo_pvid=0107e68a-c6cb-41f9-ac6e-ce1ed9724368&algo_exp_id=0107e68a-c6cb-41f9-ac6e-ce1ed9724368-16&pdp_npi=4%40dis%21HUF%21441.80%21370.49%21%21%218.33%216.99%21%402103864c17281094364134418ebd40%2165929277515%21sea%21HU%210%21ABX&curPageLogUid=qboYvI9mpaDs&utparam-url=scene%3Asearch%7Cquery_from%3A

Switch:

https://www.aliexpress.com/item/32994827751.html?spm=a2g0o.productlist.main.49.27b052uS52uSQh&algo_pvid=4d17a90b-c5d6-464e-8b02-e19bce9fe1af&algo_exp_id=4d17a90b-c5d6-464e-8b02-e19bce9fe1af-24&pdp_npi=4%40dis%21HUF%21632.46%21632.46%21%21%211.69%211.69%21%40211b6ce417281099874862364e97b2%2112000038124749354%21sea%21HU%210%21ABX&curPageLogUid=lxZwcbhfjVd8&utparam-url=scene%3Asearch%7Cquery_from%3A