Notice the visible difference in steering angle between both sides

rewelded cut knuckle

3d-printed control arm prototype

3d-scanning the OEM knuckle

OEM knuckle and it's digital twin

left: knuckle after machining, right: knuckle before machining

Iterations to the perfect design: Several 3D-printed designs were test-fitted on the car, before the way more expensive billet parts were ordered.

billet control arms and knuckles before first installation