This is where 3D fabrication needs to go:
http://money.cnn.com/2015/06/16/technology/3d-printed-bridge/index.html?sr=fbmoney0616threeDprintbridge1230story
[click on image for link]
http://money.cnn.com/2015/06/16/technology/3d-printed-bridge/index.html?sr=fbmoney0616threeDprintbridge1230story
[click on image for link]