These feet will prop up your control box 20mm, allowing the fan to breathe better.
Saw the opportunity to add a slot for a SD card extension ribbon cable.
If you don't to go that route, then just print 2 or 3 of the normal ones.
Use 3x10mm and 3x4mm machine screws to mount.
CR-10_Control_Box_feet.stl | 337.5KB | |
CR-10_Control_Box_feet_SD_CARD.stl | 394.4KB |