Repeat the spraying approach several times, with a mix of 16oz hydrogen peroxide, 2oz vinegar, and one Tbs of salt within a spray bottle. This should increase the rusting procedure till you get the appear and feel you need. You will find 3D printing providers which include Shapeways, which specialize https://emilianoodmyi.blogproducer.com/40049590/not-known-details-about-esun-abs-filament