another alternative is "additive casting", meaning that you print molds for investment (lost wax) or sand casting. The benefit is that if an aerospace certified foundry is casting your parts, there's no need for further certification. Plus you can realize any kind of size and materials, even...
Totally agree that e.g. wood frame traditional pre-fabbed buildings have their benefits.
on the other hand 3d printing is quite advanced and 3d printed formwork can definitely display sharpest resolutions.
However if you need unique textures like this museum which has been utilizing 3d printing...
