Lawnmover steeringwheel knob

Steeringwheel knob for lawnmover.
steeringwheel grip 35mm.
Printed with ABS, 1,6mm shell, 25% infill
In addition to this you need:
3 pcs M6 x 25mm bolts (insexbolts preferred, it is quite narrow around the post base)
1 pcs M8 x 60mm thread bar
1 pcs 8mm Nylock nut
the hole for the knob attachment in the top piece need to be threaded wit 8mm thread tap
.