A £5 Aliexpress endoscope and a 45m print makes monitoring and improving print quality and first layer issues 100x easier!

https://www.printables.com/model/465940-voron-stealthburner-cheap-nozzle-camera-endoscope-

Been running for months now in a heated chamber! These cameras should be easy to adapt to most printers. It was only supposed to be a temporary addition to fit for troubleshooting, but it's holding up to almost constant use really well!