Fits a 1st Gen Audi TT
Print ball parts at 0.2 threaded nut at 0.15 or lower
Superglue the parts in place - acetone vapour it... Will fit perfectly
Didnt want to go buy a 12mm 1.25mm Pitch nut so designed one using bits found on Thingi...
Works like a charm, my housemate is happy with it... as his was wrong size and loose