Knob adapter for G27 shifter.
(Please, let me know if other shifter knob model works)
This should work with G25, G29 as well, please let me know if it worked
Knob Socket Dimension 17mm
File is in correct position to print (see in image).
PRINT RECOMENDATION
FreeCAD editable file available if you need for different dimensions.
The author marked this model as their own original creation.