Create your own ghost 2x2x2 attaching these extensions to a 24mm 2x2x2 rubiks cube!
I have used a fridge magnetic 2x2x2, but you can use the eastsheen mini.
This is an old design of mine from thingiverse. Robertmayker remixed it to make work, without any rubik's cube base. Check his design here
The author hasn't provided the model origin yet.