I think most people are aware 3D printing is available in other materials. However, all personally affordable 3d printers use plastic, mostly producing low qua

I think most people are aware 3D printing is available in other materials. However, all personally affordable 3d printers use plastic, mostly producing low quality goods that has limited uses. Not everyone can afford a $150,000 SLS 3d printer. Makerbot does sell a water soluble PLA filament that you can use with your normal PLA filament on the dual extruder replicator. It's less troublesome than a lye bath.