Hotend explained and how to properly change the nozzle on a 3D printer

I'll show you how the hotend on a 3D printer works, which might seem much more complicated than it really is. Using a large 3D printed hotend model, I'll explain the correct way to install or change the nozzle. * Printable models * Olsson torque wrench: https://www.youmagine.com/designs/nozzle-torque-wrench More wrenches: https://www.thingiverse.com/thing:2613057 E3D hotend model and cutaway: https://www.thingiverse.com/thing:2762634 * Get in touch * https://hobbyhoarder.net https://twitter.com/HobbyHoarder https://www.reddit.com/r/hobbyhoarder * Support me * If you'd like to show your appreciation, you can use my Amazon affiliate link whenever you're making a purchase. Nothing changes on your end; you pay exactly the same, but I get a small percentage from Amazon in return. Amazon (US / Germany link): http://geni.us/qpPzEQh * Ko-fi (for small donations) * https://ko-fi.com/hobbyhoarder