Front brace will reduce wobble of Y axis allowing for faster prints without ringing.
You are going to need 6 Tnuts and corresponding bolts for this project. Keep in mind you have to remove the box with a controller board. If you are following my Neverender build (Ender 3 control box - Neverender project), you are not going to need it anyway.
This is part of a bigger project i call Neverender. My goal is to make
Ender 3 as good as possible without throwing it away, buying a Prusa and calling it a day.
Creality
Ender 3
No
Yes
0.2
15
Gembird
black
PLA
Print it diagonally standing on the logo side with supports. It is printable without supports, but depending on your printer capabilities, overhangs can look ugly.