My design for the whiper uses a swing arm mounted directly on the right X-axis support.

The brush is made of silicone so it will not damage the surface of the nozzle especially if it is coated and is made from a cheap baking mat.

It also incorporates a really tiny cable chain

You can find all the files and an assembly guide on THANGS

To build the whiper you will need the following materials:

• 15x screws 2.2x6.5

•  2x M3x8 screws

• 2x T-nuts M3 (if you don't have any you can find many models on Printables or THINGIVERSE)

• 3x washers for the 2.2x6.5 screws

• 1x M8 threaded insert

• 1x baking mat (Like IKEA BAKTRADITION)

• 1x M8 screw with a hex head

• 1 x 1181MG digital servo

• 1x bearing 11x5x5

• 1x Servo Extension Cable(cm 30~40)

• Some Kapton tape

• Optional grease for bearings or bike chain
  
  

Unfortunately due to the size it is necessary to replace the original display support on the Creality ENDER3 V2 printer, you can use this other design of mine