Based on 3d file uploaded to PRUSA Printers,
https://www.printables.com/model/202467-prusa-mini-z-top-r11-extra-height
and
https://www.printables.com/model/179537-prusa-mini-z-axis-extra-height-adaptor
There is an issue that the extruder assembly owls on the Z axis top.
This in turn is not the true end stop of the PRUSA MINI+.
By removing material of the z top to allow the extruder to pass through, this in turn allows the prusa mini to gain an additional ~4-5mm in z height.

Based on 3d file uploaded to PRUSA Printers,
https://www.printables.com/model/202467-prusa-mini-z-top-r11-extra-height
and
https://www.printables.com/model/179537-prusa-mini-z-axis-extra-height-adaptor
There is an issue that the extruder assembly owls on the Z axis top.

This in turn is not the true end stop of the PRUSA MINI+.
By removing material of the z top to allow the extruder to pass through, this in turn allows the prusa mini to gain an additional ~4-5mm in z height.