I saw the handle that was posted but I wanted something simpler and not as big. I was just grabbing the bed release latches before. I designed these little tabs that mount under those bed release latches. You'll need to replace the 4 screws with M3 x 12 screws.
Run the screws through the tabs first to thread the holes.

Creality

Ender 3

No

No

.2

20

Nothing special for printing. Just use enough infill so it doesn't break. I used 20%.