Logitech Gear Shifter Knobs + Adapter

Print settings:
nozzle: 0.4mm
layer hight: 0.2mm
supports: none

Adapter:
 infill: 20%
 infill pattern: Adaptive Cubic
 perimeters: 2
 brim: optional (I didn't use it)

Knobs:
 infill: 20%
 infill pattern: Adaptive Cubic
 perimeters: 2

P.S.
For me textured knob came out a bit rough, so I smoothed it lightly with a sanding paper.

P.P.S.
Knob thread measurements if you want to make your own adapter:

Diameter: M16 (Used ISO standard)
Coarse Pitch: 2
Thread Hight: 30mm