Ford ranger/mazda bt50 aircon knobs

thingiverse

For these modifications to work seamlessly, a small metal adapter will be required for the original knobs, which must be carefully inserted into the hole of the 3D printed knobs. If no adapter is available, simply fill the hole with whatever material necessary to create a snug fit on the shaft. The 'middle vent' knob lives up to its name, boasting a longer extension than the others, although the reason behind this design choice remains a mystery waiting to be unraveled by science.