Accessory shelf for a Uline model H-3037 steel utility cart. Bracket mounting holes sized for #6 machine screws, though I think M3 will also fit. We built a mobile piece of scientific equipment around this cart, which took the entire top surface. This shelf adds a little more space.

Creality

CR10S PRO

No

Yes

20

The bracket is not too fussy. The shelf is tricky. Take care to avoid warping on corners. I used "mouse ears." Print upside down and use supports to the bed.