Joh on the high-level, FDM 3D printer and CNC mill is the same kind of machine. But well, 3D printer can get away with ridiculously flimsy construction and thus be cheap (or even be sold at ridiculously high price while still being completely mis-designed, as is the case for one of the major brands loved by maker community)
But that was not the point. My point was that 3D printing the bra is problematic and at the edge of what is even possible with cheap 3D printers.