dissolve in cold water.There may be tweaking of settings for optimal output. When complete, parts can then be dissolved ... in-dark ,black,white, transparent, blue, red , yellow, green,orange,pink,yasmine green,silver, grey, light blue. ABS 3mm/1.75mm black ... the following characteristics in 3D printing,and we have good feedback from many EU customer: multiple color, asolutely round shape, accurate ...