The ironed based magnetic PLA material can not only attract magnets but also shares other properties with iron. In oder to achieve a rusty patina look, the surface of the printout can be lightly abraded with a wire brush and submerged into a salty solution for 2 to 3 days afterwards.
The Stainless Steel PLA looks like cast metal in an unfinished form or can be finished through a variety of methods to achieve different results:
Both materials are available in 1.75 mm diameter in different spool sizes and can be pre-ordered online through the company’s website at the moment. Proto-pasta promises to deliver before February 2015 or sooner for orders placed by December 15.
Proto-pasta has also launched a design contest for their Stainless Steel PLA spool. The winner will receive the material before anyone else and her or his artwork will be shared across the world.