Hidden Spare Nozzle Holder - With Threads

This is a remix of the Hidden Nozzle Holder by The_Frant. I liked the original design but I made some improvements to increase the functionality. Modifications were done in Tinkercad. This holder fits in the base extrusion on Ender 3 printers.
- Replaced the nozzle holes with threaded holes. This allows you to screw in your nozzles for a more secure fit
- Increase the width of the side wings by 4mm (2mm on each side). This allows the holder to be more fitted in the extrusion, which makes it more sturdy.

I will be working on a modified version that adds a bit more heft to the wings for a slightly tighter friction fit. This will keep the holder from sliding out if the printer is tilted. Look out for that update.

- There are two versions, one with the knob and one without the knob (check the filenames)

Thanks for checking this out and let me know if it works for you!

UPDATE 9/6/2021: Added a third version of the Nozzle Holder that has a slightly wider wing span (+.1m