I have never had window cranks in my MK1 rabbit pick up so I made some for myself!
I printed them in PLA but ABS would definitely be better.

Post Printing Assembly:

1. Cut excess stem from knob (I'm too lazy to measure lol)

2. Use a small self tapping screw and washer to attach knob to lever (I also pre drilled a small hole but that may not be needed)

3. Heat up metal stud on window regulator with lighter or small torch, while still hot press lever onto splined stud and tighten screw (I couldn't get the splines to print correctly so this is my work around for that)