1.  Strain relief bracket for heated bed cable by Greg191134 on Thingiverse:

It comes on the supplied MicroSD card that comes with the printer these days. It’s that good.

2. Filament Guide by Greg191134 on Thingiverse:

3. Ultimate Leveling Knob by Valstrath on Thingiverse:

Want to buy one? be sure to check it out down below:
Creality 3D® CR-10 Printer Kit 300*300*400mm
Creality 3D® CR-10 Printer Kit 400*400*400mm
Creality 3D® CR-10 Printer Kit 500*500*500mm