The design idea was taken from Pickle_Rick_1, but it was drawn from scratch in Autodesk Inventor, especially for the Eleego Neptune 3 printer.

The holder is attached with 3 screws of the power supply.

I use this scrapper - Astra Razor Blade Holder (miquelmartin), and my cap.

Elegoo Neptune 3

No

Yes

0.3 enough

10-15%