Based on https://wccftech.com/spacexs-3d-manufacturing-systems-supplier-for-raptor-engine-to-go-public-through-spac-deal/ https://wccftech.com/spacexs-3d-manufa

Based on https://wccftech.com/spacexs-3d-manufacturing-systems-supplier-for-raptor-engine-to-go-public-through-spac-deal/ https://wccftech.com/spacexs-3d-manufacturing-systems-suppli... SpaceX does use 3d printing in Raptor in some form. Although it might just be for one off parts for prototyping before changing the production line.