Hydrofill, Water Soluble Filament Support Material | Shop 3D Printing
colorFabb Releases First Dissolvable 3D Print Support Material « Fabbaloo
Amazon.com: eSUN Water Soluble PVA Filament 1.75mm, 3D Printer Filament PVA, 0.5KG Spool 3D Printing Filament for 3D Printers, Natural : Industrial & Scientific