It is a remix which allows you to place the squash balls directly under the rods of the Y axis.
I placed 2 balls under the Y rods on the front part and 2 other balls on the outside rear part.
Now the printer is almost inaudible
Use 2 screws M5x10mm for 1 feet
This model is compatible with my 5" screen mod :
https://www.prusaprinters.org/prints/6267-jerlo-lcd-5-mod-on-prusa-bear-halloween-mod
This model is compatible with my feet bear :
https://www.prusaprinters.org/prints/10510-jerlo-bear-feet
Original link from Martin Hellwig :
https://www.thingiverse.com/thing:3385254
perimeters : 3
Layers : 2
Infill : 20%
The author hasn't provided the model origin yet.